10079 smatch Makefile changes for usr/src/lib

@@ -20,10 +20,11 @@
 #
 #
 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
+# Copyright (c) 2018, Joyent, Inc.
 
 LIBRARY= libvscan.a
 VERS= .1
 
 OBJECTS= libvscan.o

@@ -39,10 +40,12 @@
 
 LDLIBS += -lc -lscf -lsecdb -lm
 CFLAGS += $(CCVERBOSE)
 CPPFLAGS += -I$(SRCDIR)
 
+SMOFF += signed
+
 .KEEP_STATE:
 
 all: $(LIBS)
 lint: lintcheck