Anonymous namespace for test code to avoid name clashes

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4301 dfc29bdd-3216-0410-991c-e03cc46cb475

tests/drawRectOutline.cpp

@@ -2,6 +2,9 @@
 
 using namespace irr;
 
+namespace
+{
+
 bool testWithDriver(video::E_DRIVER_TYPE driverType)
 {
 	IrrlichtDevice *device =
@@ -40,6 +43,7 @@ bool testWithDriver(video::E_DRIVER_TYPE driverType)
 
 	return result ;
 }
+}
 
 bool drawRectOutline(void)
 {