Fix warning introduced in "Program::getUniformInternal: return only one array element" The warning does not seem to occur on the Chromium bots, but shows when compiling ANGLE standalone. BUG=595836 Change-Id: I3c22bbea263223f9e92f82229817e9e9894a46ad Reviewed-on: https://chromium-review.googlesource.com/335576 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>