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/pjsip/include/pjsip.h b/pjsip/include/pjsip.h
index 4f74d2a..7108577 100644
--- a/pjsip/include/pjsip.h
+++ b/pjsip/include/pjsip.h
@@ -28,6 +28,7 @@
 #include <pjsip/sip_uri.h>
 #include <pjsip/sip_tel_uri.h>
 #include <pjsip/sip_msg.h>
+#include <pjsip/sip_multipart.h>
 #include <pjsip/sip_parser.h>
 
 /* Core */