adding patch for Axis2C-1370 from Alex Mantaut
diff --git a/src/core/transport/http/sender/libcurl/axis2_libcurl.c b/src/core/transport/http/sender/libcurl/axis2_libcurl.c
index 8d99fd5..2d7d940 100644
--- a/src/core/transport/http/sender/libcurl/axis2_libcurl.c
+++ b/src/core/transport/http/sender/libcurl/axis2_libcurl.c
@@ -428,7 +428,7 @@
             }
             else
             {
-                content_type = AXIS2_HTTP_HEADER_ACCEPT_TEXT_XML;
+                content_type = axutil_strdup(env,AXIS2_HTTP_HEADER_ACCEPT_TEXT_XML);
             }
 
         }