Fixed compilation issue for CGI and libFCGI connector

due to recent changes in interface  (use READABLE_STRING_8)

examples/hello_routed_world/hello-safe.ecf

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
 <system xmlns="http://www.eiffel.com/developers/xml/configuration-1-9-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-9-0 http://www.eiffel.com/developers/xml/configuration-1-9-0.xsd" name="hello_routed_world" uuid="7C9887BD-4AE4-47F2-A0AA-4BBB6736D433">
-	<target name="hello_routed_world">
+	<target name="hello_connector">
 		<root class="HELLO_ROUTED_WORLD" feature="make"/>
 		<file_rule>
 			<exclude>/EIFGENs$</exclude>
@@ -12,13 +12,26 @@
 		</option>
 		<setting name="concurrency" value="thread"/>
 		<library name="base" location="$ISE_LIBRARY\library\base\base-safe.ecf"/>
-		<library name="connector_nino" location="..\..\library\server\ewsgi\connectors\nino\nino-safe.ecf" readonly="false"/>
-		<library name="default_nino" location="..\..\library\server\wsf\default\nino-safe.ecf" readonly="false"/>
 		<library name="encoder" location="..\..\library\text\encoder\encoder-safe.ecf" readonly="false"/>
 		<library name="wsf" location="..\..\library\server\wsf\wsf-safe.ecf" readonly="false"/>
 		<library name="http" location="..\..\library\protocol\http\http-safe.ecf" readonly="false"/>
 		<library name="router" location="..\..\library\server\request\router\router-safe.ecf" readonly="false"/>
 		<library name="uri_template" location="..\..\library\protocol\uri_template\uri_template-safe.ecf" readonly="false"/>
+	</target>
+
+	<target name="hello_nino" extends="hello_connector">
+		<library name="connector_nino" location="..\..\library\server\ewsgi\connectors\nino\nino-safe.ecf" readonly="false"/>
+		<library name="default_nino" location="..\..\library\server\wsf\default\nino-safe.ecf" readonly="false"/>
+		<cluster name="src" location="src\" recursive="true"/>
+	</target>
+	<target name="hello_cgi" extends="hello_connector">
+		<library name="connector_cgi" location="..\..\library\server\ewsgi\connectors\cgi\cgi-safe.ecf" readonly="false"/>
+		<library name="default_cgi" location="..\..\library\server\wsf\default\cgi-safe.ecf" readonly="false"/>
+		<cluster name="src" location="src\" recursive="true"/>
+	</target>
+	<target name="hello_libfcgi" extends="hello_connector">
+		<library name="connector_libfcgi" location="..\..\library\server\ewsgi\connectors\libfcgi\libfcgi-safe.ecf" readonly="false"/>
+		<library name="default_libfcgi" location="..\..\library\server\wsf\default\libfcgi-safe.ecf" readonly="false"/>
 		<cluster name="src" location="src\" recursive="true"/>
 	</target>
 </system>

library/server/ewsgi/connectors/cgi/src/wgi_cgi_output_stream.e

@@ -10,6 +10,9 @@ class
 
 inherit
 	WGI_OUTPUT_STREAM
+		rename
+			put_string as put_readable_string_8
+		end
 
 	CONSOLE
 		rename
@@ -51,6 +54,17 @@ feature -- Status writing
 			put_header_line (s)
 		end
 
+	put_readable_string_8 (s: READABLE_STRING_8)
+			-- Write `s' at end of default output.
+		local
+			ext: C_STRING
+		do
+			if s.count > 0 then
+				create ext.make (s)
+				console_ps (file_pointer, ext.managed_data.item, s.count)
+			end
+		end
+
 note
 	copyright: "2011-2011, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"

library/server/ewsgi/connectors/libfcgi/src/wgi_libfcgi_output_stream.e

@@ -58,7 +58,7 @@ feature -- Status writing
 
 feature -- Basic operation
 
-	put_string (s: STRING)
+	put_string (s: READABLE_STRING_8)
 			-- Send `s' to http client
 		do
 			fcgi.put_string (s)

library/server/libfcgi/implementation/fake/fcgi_imp.e

@@ -49,7 +49,7 @@ feature -- FCGI connection
 
 feature -- FCGI output
 
-	put_string (a_str: STRING)
+	put_string (a_str: READABLE_STRING_8)
 			-- Put `a_str' on the FastCGI stdout.
 		do
 			io.put_string (a_str)

library/server/libfcgi/implementation/linux/fcgi_imp.e

@@ -67,7 +67,7 @@ feature -- FCGI Connection
 
 feature -- FCGI output
 
-	put_string (a_str: STRING)
+	put_string (a_str: READABLE_STRING_8)
 			-- Put `a_str' on the FastCGI stdout.
 		local
 			l_c_str: C_STRING

library/server/libfcgi/implementation/windows/fcgi_imp.e

@@ -126,7 +126,7 @@ feature -- FCGI connection
 
 feature -- FCGI output
 
-	put_string (a_str: STRING)
+	put_string (a_str: READABLE_STRING_8)
 			-- Put `a_str' on the FastCGI stdout.
 		local
 			l_c_str: C_STRING