HTTP_DealWithProxy: Only add http:// to proxy string when needed.

dlls/wininet/http.c

diff --git a/dlls/wininet/http.c b/dlls/wininet/http.c
index 20f5099..c2d0ca5 100644
--- a/dlls/wininet/http.c
+++ b/dlls/wininet/http.c
@@ -504,7 +504,10 @@
     UrlComponents.lpszHostName = buf;
     UrlComponents.dwHostNameLength = MAXHOSTNAME;
 
-    sprintf(proxy, "http://%s/", hIC->lpszProxy);
+    if (strncasecmp(hIC->lpszProxy,"http://",strlen("http://")))
+	sprintf(proxy, "http://%s/", hIC->lpszProxy);
+    else
+	strcpy(proxy,hIC->lpszProxy);
     if( !InternetCrackUrlA(proxy, 0, 0, &UrlComponents) )
         return FALSE;
     if( UrlComponents.dwHostNameLength == 0 )