make: Rebuild objects if headers are changed

At moment no-deps-targets is empty thus changes
in headers do not cause correspond source files
to be rebuilt. Fix it.
Reported-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

Makefile

@@ -200,6 +200,8 @@ help:
 	$(E) '      test            - Run zdtm test-suite'
 .PHONY: help
 
-ifeq ($(filter-out no-deps-targets, $(MAKECMDGOALS)),)
+deps-targets := %.o %.s %.i
+
+ifeq ($(filter deps-targets, $(MAKECMDGOALS)),)
 -include $(DEPS)
 endif