[PATCH v2] tools/counter: Makefile: Remove lingering 'include' when make clean

[Rong Tao]

From: Rong Tao <rongtao@xxxxxxxx>

'make' create 'include' directory, we should remove it when 'make clean'.

Signed-off-by: Rong Tao <rongtao@xxxxxxxx>
---
v2: this commit, according to William Breathitt Gray's suggession in v1
v1: https://lore.kernel.org/lkml/tencent_FA682F628E818DD04B96C3E5A94ACFABE206@xxxxxx/
---
 tools/counter/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/counter/Makefile b/tools/counter/Makefile
index 8843f0fa6119..a0f4cab71fe5 100644
--- a/tools/counter/Makefile
+++ b/tools/counter/Makefile
@@ -40,6 +40,7 @@ $(OUTPUT)counter_example: $(COUNTER_EXAMPLE)
 clean:
 	rm -f $(ALL_PROGRAMS)
 	rm -rf $(OUTPUT)include/linux/counter.h
+	rmdir -p $(OUTPUT)include/linux
 	find $(or $(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
 
 install: $(ALL_PROGRAMS)
-- 
2.40.0