Add a missing dependency on http.h

Signed-off-by: NMike Hommey <mh@glandium.org>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

Makefile

@@ -944,7 +944,7 @@ git-%$X: %.o $(GITLIBS)
 
 git-imap-send$X: imap-send.o $(LIB_FILE)
 
-http.o http-walker.o http-push.o: http.h
+http.o http-walker.o http-push.o transport.o: http.h
 
 git-http-push$X: revision.o http.o http-push.o $(GITLIBS)
 	$(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \