Implemented core multipart support and support in the invite session (re #1070)
 - incoming multipart message will be handled automatically
 - for testing, enable HAVE_MULTIPART_TEST in pjsua_app.c


git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@3243 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/build.symbian/pjsip.mmp b/build.symbian/pjsip.mmp
index 6269b47..1fd7440 100644
--- a/build.symbian/pjsip.mmp
+++ b/build.symbian/pjsip.mmp
@@ -43,6 +43,7 @@
 SOURCE	sip_endpoint_wrap.cpp
 SOURCE	sip_errno.c
 SOURCE	sip_msg.c
+SOURCE	sip_multipart.c
 SOURCE	sip_parser_wrap.cpp
 SOURCE	sip_resolve.c
 SOURCE	sip_tel_uri_wrap.cpp