add a missing header to fix building with -Werror (issue #6717)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@12894 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 658ed525c2cf3cee5770d565bec3b01e1a075797..27bf02754b5aad79c6754fcb822d9b30f9b6300c 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -91,6 +91,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 #include "asterisk/devicestate.h"
 #include "asterisk/linkedlists.h"
 #include "asterisk/stringfields.h"
+#include "asterisk/monitor.h"
 
 #ifdef OSP_SUPPORT
 #include "asterisk/astosp.h"