Do a strip --strip-unneeded on the .tmp.o file to reduce disk usage.

Make.rules.in

diff --git a/Make.rules.in b/Make.rules.in
index 8b7af95..21922e8 100644
--- a/Make.rules.in
+++ b/Make.rules.in
@@ -193,6 +193,7 @@
 
 $(MODULE).tmp.o: $(OBJS) Makefile.in
 	$(LDCOMBINE) $(OBJS) -o $@
+	-strip --strip-unneeded $@
 
 # Rule for main module spec file