Reuse const version for non-const one
diff --git a/tinyxml2.h b/tinyxml2.h
index 1fdc928..bf4d84f 100755
--- a/tinyxml2.h
+++ b/tinyxml2.h
@@ -523,10 +523,7 @@
         return p;

     }

     static char* SkipWhiteSpace( char* p )				{

-        while( !IsUTF8Continuation(*p) && isspace( *reinterpret_cast<unsigned char*>(p) ) )		{

-            ++p;

-        }

-        return p;

+        return const_cast<char*>( SkipWhiteSpace( const_cast<const char*>(p) ) );

     }

     static bool IsWhiteSpace( char p )					{

         return !IsUTF8Continuation(p) && isspace( static_cast<unsigned char>(p) );