Clean generated files a bit more.

Now we conditionally compile things in compat/, so we should remove
object files there.  Python execution can leave *.pyc and *.pyo, which
need to be cleaned as well.
Signed-off-by: NJunio C Hamano <junkio@cox.net>

Makefile

@@ -380,9 +380,9 @@ deb: dist
 ### Cleaning rules
 
 clean:
-	rm -f *.o mozilla-sha1/*.o ppc/*.o $(PROGRAMS) $(LIB_FILE)
+	rm -f *.o mozilla-sha1/*.o ppc/*.o compat/*.o $(PROGRAMS) $(LIB_FILE)
 	rm -f $(filter-out gitk,$(SCRIPTS))
-	rm -f git-core.spec
+	rm -f git-core.spec *.pyc *.pyo
 	rm -rf $(GIT_TARNAME)
 	rm -f $(GIT_TARNAME).tar.gz git-core_$(GIT_VERSION)-*.tar.gz
 	rm -f git-core_$(GIT_VERSION)-*.deb git-core_$(GIT_VERSION)-*.dsc