MIPS: IP27: Fix GCC 4.6.0 build error.

CC arch/mips/sgi-ip27/ip27-hubio.o
arch/mips/sgi-ip27/ip27-hubio.c: In function 'hub_pio_map':
arch/mips/sgi-ip27/ip27-hubio.c:32:20: error: variable 'junk' set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors

Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/sgi-ip27/ip27-klnuma.c

···
 
 static __init void set_ktext_source(nasid_t client_nasid, nasid_t server_nasid)
 {
-	cnodeid_t client_cnode;
 	kern_vars_t *kvp;
-
-	client_cnode = NASID_TO_COMPACT_NODEID(client_nasid);
 
 	kvp = &hub_data(client_nasid)->kern_vars;