initialized MMDB statics

This is the code you changed in MMDB.cc on my machine for the bidding reporting spec.

--- a/ext/MMDB/MMDB.cc
+++ b/ext/MMDB/MMDB.cc
@@ -363,9 +363,9 @@ public:
   // Query support
   // -----------------------------------------------
 
-  static const int ITER_CONTINUE = 0; 
-  static const int ITER_NEXT_SLICE = 1;
-  static const int ITER_STOP = 2;
+  static const int ITER_CONTINUE;
+  static const int ITER_NEXT_SLICE;
+  static const int ITER_STOP;
 
 private:
 
@@ -1209,6 +1209,10 @@ VALUE MMDB_slices(VALUE self, VALUE _current, VALUE _snapshot)
   return Qnil;
 }
 
+const int MMDB::ITER_CONTINUE = 0; 
+const int MMDB::ITER_NEXT_SLICE = 1;
+const int MMDB::ITER_STOP = 2;