make the memlimit final NULL return get written to stderr as wella

lib/memdebug.c

@@ -91,6 +91,9 @@ static bool countcheck(const char *func, int line, const char *source)
       if(logfile && source)
         fprintf(logfile, "LIMIT %s:%d %s reached memlimit\n",
                 source, line, func);
+      if(source)
+        fprintf(stderr, "LIMIT %s:%d %s reached memlimit\n",
+                source, line, func);
       return TRUE; /* RETURN ERROR! */
     }
     else