Implemented ticket #246, #247, #261, #268, #250 for Symbian

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@1246 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjlib/include/pj/timer.h b/pjlib/include/pj/timer.h
index cf3d1d7..6e4839c 100644
--- a/pjlib/include/pj/timer.h
+++ b/pjlib/include/pj/timer.h
@@ -64,7 +64,11 @@
 /**
  * The type for internal timer ID.
  */
+#if defined(PJ_SYMBIAN) && PJ_SYMBIAN!=0
+typedef void *pj_timer_id_t;
+#else
 typedef int pj_timer_id_t;
+#endif
 
 /** 
  * Forward declaration for pj_timer_entry.