json.c: avoid an unconditional leak from most qemuMonitorJSON* functions

* src/util/json.c (virJSONValueFree): Free the "value" pointer, too.

src/util/json.c

@@ -2,7 +2,7 @@
  * json.c: JSON object parsing/formatting
  *
  * Copyright (C) 2009 Daniel P. Berrange
- * Copyright (C) 2009 Red Hat, Inc.
+ * Copyright (C) 2009-2010 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -82,8 +82,9 @@ void virJSONValueFree(virJSONValuePtr value)
     case VIR_JSON_TYPE_NUMBER:
         VIR_FREE(value->data.number);
         break;
-
     }
+
+    VIR_FREE(value);
 }