diff-highlight: add clean target to Makefile

OddBloke · gitster · commit 74f1bd912be9 · 2017-09-06T12:56:26.000+09:00
Now that `make` produces a file, we should have a clean target to remove
it.

Signed-off-by: Daniel Watkins &lt;daniel@daniel-watkins.co.uk&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/contrib/diff-highlight/Makefile b/contrib/diff-highlight/Makefile
@@ -17,4 +17,7 @@ shebang.perl: FORCE
 test: all
 	$(MAKE) -C t
 
+clean:
+	$(RM) diff-highlight
+
 .PHONY: FORCE
