4623 Remove -Wno-unused-label from mpt_sas
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Reviewed by: Keith Wesolowski <keith.wesolowski@joyent.com>
Reviewed by: Albert Lee <trisk@nexenta.com>
Approved by: Robert Mustacchi <rm@joyent.com>

@@ -65,11 +65,10 @@
 # 
 CFLAGS += $(CCVERBOSE)
 
 CERRWARN        += -_gcc=-Wno-parentheses
 CERRWARN        += -_gcc=-Wno-uninitialized
-CERRWARN        += -_gcc=-Wno-unused-label
 CERRWARN        += -_gcc=-Wno-switch
 
 #
 #       Default build targets.
 #