pidgin: ca31ea16: Gadu-Gadu: check for NULL pointer before...

[tomkiewicz at cpw.pidgin.im]

----------------------------------------------------------------------
Revision: ca31ea1640fbc287e7b420c59c08a7477907d66e
Parent:   4cc28a24626e194d1d3ee46451586ff31a665317
Author:   tomkiewicz at cpw.pidgin.im
Date:     10/08/11 19:07:45
Branch:   im.pidgin.pidgin
URL: http://d.pidgin.im/viewmtn/revision/info/ca31ea1640fbc287e7b420c59c08a7477907d66e

Changelog: 

Gadu-Gadu: check for NULL pointer before logging system messages.

Changes against parent 4cc28a24626e194d1d3ee46451586ff31a665317

  patched  libpurple/protocols/gg/gg.c

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--- libpurple/protocols/gg/gg.c	d2e1ecc208f3647960cf622084719cd310b97b77
+++ libpurple/protocols/gg/gg.c	81f7b30f636dad0f71f3ab42697010e5e3fd6fe2
@@ -1985,9 +1985,14 @@ static void ggp_async_login_handler(gpoi
 			break;
 		case GG_EVENT_MSG:
 			if (ev->event.msg.sender == 0)
+			{
+				if (ev->event.msg.message == NULL)
+					break;
+
 				/* system messages are mostly ads */
 				purple_debug_info("gg", "System message:\n%s\n",
 					ev->event.msg.message);
+			}
 			else
 				purple_debug_warning("gg", "GG_EVENT_MSG: message from user %u "
 					"unexpected while connecting:\n%s\n",