Fix build problem found by compiling driver with DEBUG defined that used tcp.h.
Since pr_debug(arg) expands to printk("<7>" arg) the argument
needs to be string that can be concatenated.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
        }
 #ifdef INET_CSK_DEBUG
        else {
-               pr_debug(inet_csk_timer_bug_msg);
+               pr_debug("%s", inet_csk_timer_bug_msg);
        }
 #endif
 }
        }
 #ifdef INET_CSK_DEBUG
        else {
-               pr_debug(inet_csk_timer_bug_msg);
+               pr_debug("%s", inet_csk_timer_bug_msg);
        }
 #endif
 }