pre-upload: one more RunCommand->run change

Missed this in the previous update.

BUG=chromium:1006587
TEST=`./run_tests` passes

Change-Id: I4088c40ffd7e65042a3a4d84ca7b0f404312416a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/repohooks/+/1917973
Reviewed-by: Michael Mortensen <mmortensen@google.com>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/pre-upload.py b/pre-upload.py
index 2917f17..327947c 100755
--- a/pre-upload.py
+++ b/pre-upload.py
@@ -150,7 +150,7 @@
   kwargs.setdefault('print_cmd', False)
   kwargs.setdefault('stdout', True)
   kwargs.setdefault('check', False)
-  result = cros_build_lib.RunCommand(cmd, **kwargs)
+  result = cros_build_lib.run(cmd, **kwargs)
   # NB: We decode this directly rather than through kwargs as our tests rely
   # on this post-processing behavior currently.
   return result.output.decode('utf-8', 'replace')