Fix assignment/equality typo in http http_client.c=

Thanks to kvarec for noticing it.


diff --git a/src/core/transport/http/sender/http_client.c b/src/core/transport/http/sender/http_client.c
index c65a293..eff988e 100644
--- a/src/core/transport/http/sender/http_client.c
+++ b/src/core/transport/http/sender/http_client.c
@@ -916,7 +916,7 @@
             }
             else
             {
-                end_of_line == AXIS2_FALSE;
+                end_of_line = AXIS2_FALSE;
                 memset(str_header, 0, AXIS2_HTTP_HEADER_LENGTH);
             }