Ticket #833:
 - Updated build config for VS6, Symbian, and Makefile for Session Timer.
 - Fixed C/C++ cross-linking problem on some compilers (e.g: Symbian GCCE).



git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@2861 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/build.symbian/pjsip_ua.mmp b/build.symbian/pjsip_ua.mmp
index 11b5e9a..5929304 100644
--- a/build.symbian/pjsip_ua.mmp
+++ b/build.symbian/pjsip_ua.mmp
@@ -39,6 +39,7 @@
 SOURCE	sip_replaces.c
 SOURCE	sip_xfer.c
 SOURCE	sip_100rel.c
+SOURCE	sip_timer.c
 
 SYSTEMINCLUDE	..\pjlib\include 
 SYSTEMINCLUDE	..\pjlib-util\include