Added curl_easy_getinfo. Associated constants and also CURLOPT_USERPWD.

Minor optimization and cosmetics.

git-svn-id: https://svn.origo.ethz.ch/eiffelstudio/trunk/Src/library/cURL@77794 8089f293-4706-0410-a29e-feb5c42a2edf

curl_opt_constants.e

@@ -84,6 +84,16 @@ feature -- Enumerations.
 			]"
 		end
 
+	curlopt_userpwd: INTEGER
+			-- Declared as CURLOPT_USERPWD.
+		external
+			"C inline use <curl/curl.h>"
+		alias
+			"[
+				return CURLOPT_USERPWD;
+			]"
+		end
+
 	curlopt_url: INTEGER
 			-- Declared as CURLOPT_URL.
 		external