avoiding unkown namespace std

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@36334 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/dccg.cpp

@@ -27,6 +27,8 @@
 #ifdef __MSL__
     #if __MSL__ >= 0x6000
         #include "math.h"
+        // in case our functions were defined outside std, we make it known all the same
+        namespace std { }  
         using namespace std ;
     #endif
 #endif