Add header dependencies to kublk build rule so that changes to
kublk.h, ublk_dep.h, or utils.h trigger a rebuild.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
---
 tools/testing/selftests/ublk/Makefile | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/ublk/Makefile b/tools/testing/selftests/ublk/Makefile
index eb0e6cfb00ad..fb7b2273e563 100644
--- a/tools/testing/selftests/ublk/Makefile
+++ b/tools/testing/selftests/ublk/Makefile
@@ -53,8 +53,10 @@ TEST_GEN_PROGS_EXTENDED = kublk
 
 include ../lib.mk
 
-$(TEST_GEN_PROGS_EXTENDED): kublk.c null.c file_backed.c common.c stripe.c \
-	fault_inject.c
+LOCAL_HDRS += kublk.h ublk_dep.h utils.h
+
+$(TEST_GEN_PROGS_EXTENDED): $(LOCAL_HDRS) \
+	kublk.c null.c file_backed.c common.c stripe.c fault_inject.c
 
 check:
 	shellcheck -x -f gcc *.sh
-- 
2.47.0