Symbian fixes to compile on GCCE (nested callbacks etc)

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@1269 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/build.symbian/pjlib_test.mmp b/build.symbian/pjlib_test.mmp
index 9836a14..ed88906 100644
--- a/build.symbian/pjlib_test.mmp
+++ b/build.symbian/pjlib_test.mmp
@@ -9,6 +9,8 @@
 MACRO		PJ_SYMBIAN=1
 
 OPTION		CW -lang c++
+OPTION		ARMCC --cpp
+OPTION		GCC	-x c++
 
 // Test files