fix waring if you #include <linux/kdb.h>

[Thomas Duffy <Thomas.Duffy.99@xxxxxxxxxxxxxxxx>]

if you include kdb.h and CONFIG_KDB is not on, gcc will generate this
warning:

warning: statement with no effect

if your code calls kdb().  this patch fixes this (so you can compile
-Werror like I like to do with my code :)

-tduffy

-- 
He who receives an idea from me, receives instruction himself without
lessening mine; as he who lights his taper at mine, receives light
without darkening me.                      -- Thomas Jefferson

kdb-warning-fix.patch
Description: Text document