NEX-3131 nza-kernel is not lint-clean when built with openssl 1.0
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>

@@ -57,10 +57,12 @@
 
 CERRWARN        +=      -_gcc=-Wno-unused-label
 CERRWARN        +=      -_gcc=-Wno-unused-value
 CERRWARN        +=      -_gcc=-Wno-uninitialized
 
+LINTCHECKFLAGS  +=      -erroff=E_SUPPRESSION_DIRECTIVE_UNUSED
+
 PICS=   $(OBJECTS:%=pics/%)
 
 lint:=  OPENSSLLIBS=    $(LINTSSLLIBS)
 lint:=  OPENSSLLIBS64=  $(LINTSSLLIBS64)