lockdep/lib/tests: Fix run_tests.sh

Apparently the execute bits were set for the tests/*.sh scripts on my
test setup but these are not set in the kernel tree. Fix this by adding
the interpreter path in front of the script paths.

Signed-off-by: Bart Van Assche <[e-mail]>
Signed-off-by: Peter Zijlstra (Intel) <[e-mail]>
Cc: Andrew Morton <[e-mail]>
Cc: Johannes Berg <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Paul E. McKenney <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: Waiman Long <[e-mail]>
Cc: Will Deacon <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Fixes: 5ecb8e94b494 ("tools/lib/lockdep/tests: Improve testing accuracy") # v5.0-rc1
Link: https://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

tools/lib/lockdep/run_tests.sh

···
 	testname=$(basename "$i" .c)
 	echo -ne "$testname... "
 	if gcc -o "tests/$testname" -pthread "$i" liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &&
-		timeout 1 "tests/$testname" 2>&1 | "tests/${testname}.sh"; then
+		timeout 1 "tests/$testname" 2>&1 | /bin/bash "tests/${testname}.sh"; then
 		echo "PASSED!"
 	else
 		echo "FAILED!"
···
 	echo -ne "(PRELOAD) $testname... "
 	if gcc -o "tests/$testname" -pthread -Iinclude "$i" &&
 		timeout 1 ./lockdep "tests/$testname" 2>&1 |
-		"tests/${testname}.sh"; then
+		/bin/bash "tests/${testname}.sh"; then
 		echo "PASSED!"
 	else
 		echo "FAILED!"
···
 	echo -ne "(PRELOAD + Valgrind) $testname... "
 	if gcc -o "tests/$testname" -pthread -Iinclude "$i" &&
 		{ timeout 10 valgrind --read-var-info=yes ./lockdep "./tests/$testname" >& "tests/${testname}.vg.out"; true; } &&
-		"tests/${testname}.sh" < "tests/${testname}.vg.out" &&
+		/bin/bash "tests/${testname}.sh" < "tests/${testname}.vg.out" &&
 		! grep -Eq '(^==[0-9]*== (Invalid |Uninitialised ))|Mismatched free|Source and destination overlap| UME ' "tests/${testname}.vg.out"; then
 		echo "PASSED!"
 	else