Fixed reading chunked input data

When retrieving data block by block, use 8_192 instead of 1_024 (since 1_024 is too small most of the time)

library/server/wsf/extension/wsf_resource_handler_helper.e

@@ -205,7 +205,7 @@ feature -- Retrieve content from WGI_INPUT_STREAM
 			l_input := req.input
 			if req.is_chunked_input then
 				from
-					n := 1_024
+					n := 8_192
 					create Result.make (n)
 				until
 					n = 0

library/server/wsf/src/support/wsf_mime_handler_helper.e

@@ -21,7 +21,7 @@ feature {NONE} -- Implementation
 			t: STRING
 		do
 			from
-				n := 1_024
+				n := 8_192
 				create Result.make (n)
 			until
 				n = 0

library/server/wsf/src/wsf_request.e

@@ -207,7 +207,7 @@ feature -- Access: Input
 				l_input := input
 				if is_chunked_input then
 					from
-						n := 1_024
+						n := 8_192
 					until
 						n = 0
 					loop