Added some status output for platforms without validation feature

example/main.cpp

@@ -982,5 +982,10 @@ int main (int argc, char * const argv[]) {
     clReleaseCommandQueue(queue);
 
     test_finish();
+
+#ifndef __APPLE___
+    printf("Test finished (validation only available on Mac OS X)! Total number of errors: %d\n", total_errors);
+#endif
+
     return total_errors;
 }