Add default argument for init.

bug 10427951

Change-Id: I32e9f86bc441579d2937979b02800edce62df365
diff --git a/cpp/rsCppStructs.h b/cpp/rsCppStructs.h
index f8a14ed..60341c2 100644
--- a/cpp/rsCppStructs.h
+++ b/cpp/rsCppStructs.h
@@ -72,7 +72,7 @@
     RS();
     virtual ~RS();
 
-    bool init(uint32_t flags);
+    bool init(uint32_t flags = 0);
 
     void setErrorHandler(ErrorHandlerFunc_t func);
     ErrorHandlerFunc_t getErrorHandler() { return mErrorFunc; }