Makes gmock compile on minGW, which uses gcc 3.4.5.

include/gmock/gmock-printers.h

@@ -279,9 +279,12 @@ void DefaultPrintTo(IsNotContainer /* dummy */,
   if (p == NULL) {
     *os << "NULL";
   } else {
-    // We cannot use implicit_cast or static_cast here, as they don't
-    // work when p is a function pointer.
-    *os << reinterpret_cast<const void*>(p);
+    // We want to print p as a const void*.  However, we cannot cast
+    // it to const void* directly, even using reinterpret_cast, as
+    // earlier versions of gcc (e.g. 3.4.5) cannot compile the cast
+    // when p is a function pointer.  Casting to UInt64 first solves
+    // the problem.
+    *os << reinterpret_cast<const void*>(reinterpret_cast<internal::UInt64>(p));
   }
 }