_a -> m_a name change

_a member variable clashes with get_a() for languages that use getter and setter methods for member variables


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@5854 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/virtual_derivation.i

@@ -22,15 +22,15 @@
     {
     }
     
-    int _a;
+    int m_a;
     
-    A(int a) :_a(a)
+    A(int a) :m_a(a)
     {
     }
     
     int get_a()
     {
-      return _a;
+      return m_a;
     }
     
   };