depend-cleanup.sh: Handle kqtest being renamed to kqueue_test.

bmake will not think that object files such as read.o are out of date
due to common.h changing since the dependency is only recorded in
.depend.kqtest.read.o in an old object directory.

Reviewed by:	markj
Fixes:		68fe988a40 kqueue tests: Simplify the test runner
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D35820

tools/build/depend-cleanup.sh

@@ -90,3 +90,11 @@ fi
 if [ "$MACHINE_ARCH" = "amd64" ]; then
     clean_dep lib/libc bcmp c
 fi
+
+# 20220524  68fe988a40ca    kqueue_test binary replaced shell script
+if stat "$OBJTOP"/tests/sys/kqueue/libkqueue/*kqtest* \
+    "$OBJTOP"/tests/sys/kqueue/libkqueue/.depend.kqtest* >/dev/null 2>&1; then
+	echo "Removing old kqtest"
+	rm -f "$OBJTOP"/tests/sys/kqueue/libkqueue/.depend.* \
+	   "$OBJTOP"/tests/sys/kqueue/libkqueue/*
+fi