fixing setting the locale back to what should be expected

fix should be applyed for every window interface and generation

modules/highgui/src/window_carbon.cpp

@@ -146,6 +146,7 @@ CV_IMPL int cvInitSystem( int argc, char** argv )
         }
         wasInitialized = 1;
     }
+    setlocale(LC_NUMERIC,"C");
 
     return 0;
 }