Ticket #627: Fixed general compiler warning when building for WinCE (thanks David Parker for the patch).

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2285 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/third_party/gsm/src/lpc.c b/third_party/gsm/src/lpc.c
index 21b9faf..e30211d 100644
--- a/third_party/gsm/src/lpc.c
+++ b/third_party/gsm/src/lpc.c
@@ -6,6 +6,7 @@
 
 /* $Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/lpc.c,v 1.5 1994/12/30 23:14:54 jutta Exp $ */
 
+#include "config.h"
 #include <stdio.h>
 #include <assert.h>