6648 illumos build should be explicit about C standards

@@ -42,19 +42,18 @@
 COMOBJS=
 
 NATOBJS=        piglatin.o
 
 OBJECTS=        $(COMOBJS)  $(NATOBJS)
-NATIVECC_CFLAGS = -O
 
 AVLOBJ=         avl.o
 TOOL_OBJS=      sgsmsg.o string_table.o findprime.o assfail.o
 SGSMSG_OBJS=    $(TOOL_OBJS) $(AVLOBJ)
 SGSMSG_SRCS=    $(TOOL_OBJS:%.o=../common/%.c) \
                 $(AVLOBJ:%.o=$(VAR_AVLDIR)/%.c)
 
-$(SGSMSG_OBJS) := NATIVECC_CFLAGS += -I../../include $(VAR_TOOLS_CPPFLAGS)
+$(SGSMSG_OBJS) := NATIVE_CFLAGS += -I../../include $(VAR_TOOLS_CPPFLAGS)
 
 PROGS=          $(COMOBJS:%.o=%)
 NATIVE=         $(NATOBJS:%.o=%) sgsmsg
 SRCS=           $(COMOBJS:%.o=../common/%.c)  $(NATOBJS:%.o=../common/%.c)