10076 make usr/src/test smatch clean

@@ -8,10 +8,11 @@
 # source.  A copy of the CDDL is also available via the Internet at
 # http://www.illumos.org/license/CDDL.
 #
 
 # Copyright 2016, Richard Lowe.
+# Copyright (c) 2018, Joyent, Inc.
 
 include $(SRC)/Makefile.master
 include $(SRC)/Makefile.master.64
 include $(SRC)/cmd/Makefile.cmd
 include $(SRC)/cmd/Makefile.cmd.64

@@ -22,10 +23,13 @@
 
 PROGS= select_test
 
 CSTD= $(CSTD_GNU99)
 
+# needs work
+SMOFF += all_func_returns
+
 select_test: select_test.c
         $(LINK64.c) -o $@ select_test.c $(LDLIBS64)
         $(POST_PROCESS)
 
 SCRIPTS=select.sh