include build stamp in unix

*** 122,131 ****
--- 122,132 ----
  $(OBJS_DIR)/vers.o: $(OBJECTS)
          $(COMPILE.c) -DUTS_RELEASE=\"`$(ECHO) $(RELEASE) | sed -e 's/ /_/g'`\" \
              -DUTS_VERSION=\"`$(VERSION_STRING) | sed -e 's/ /_/g'`\" \
              -DUTS_PLATFORM=\"$(UNAME_M)\" -o $@ $(SRC)/uts/common/os/vers.c
          $(CTFCONVERT_O)
+         $(PROCESS_BUILDSTAMP) $@
          $(POST_PROCESS_O)
  
  $(LINTS_DIR)/vers.ln: $(SRC)/uts/common/os/vers.c
          @($(LHEAD) $(LINT.c) -DUTS_RELEASE=\"\" -DUTS_VERSION=\"\" \
              -DUTS_PLATFORM=\"\" $(SRC)/uts/common/os/vers.c $(LTAIL))