checkpoint animations

Change-Id: I14ef05bf56470565e4b0cb706f9fb358cdcb42ff
diff --git a/libs/rs/rsContext.h b/libs/rs/rsContext.h
index 82c3687..24c44d5 100644
--- a/libs/rs/rsContext.h
+++ b/libs/rs/rsContext.h
@@ -161,7 +161,7 @@
     void dumpDebug() const;
     void checkError(const char *) const;
     const char * getError(RsError *);
-    void setError(RsError e, const char *msg);
+    void setError(RsError e, const char *msg = NULL);
 
     mutable const ObjectBase * mObjHead;