[UpdateTestChecks] Fix an incorrect %s added in r368006

llvm-svn: 368007
diff --git a/llvm/utils/update_test_checks.py b/llvm/utils/update_test_checks.py
index b73e481..0783a650 100755
--- a/llvm/utils/update_test_checks.py
+++ b/llvm/utils/update_test_checks.py
@@ -84,7 +84,7 @@
 
   for test in test_paths:
     if args.verbose:
-      print('Scanning for RUN lines in test file: %s' + test, file=sys.stderr)
+      print('Scanning for RUN lines in test file: ' + test, file=sys.stderr)
     with open(test) as f:
       input_lines = [l.rstrip() for l in f]