Fix bug #1829122.  It's never correct to assume that an NSError** was initialized to nil.
Fix bug #1829122.  It's never correct to assume that an NSError** was initialized to nil.
WoLpH/skim,ycaihua/skim-app,WoLpH/skim,WoLpH/skim,ycaihua/skim-app,WoLpH/skim,ycaihua/skim-app,ycaihua/skim-app,WoLpH/skim,ycaihua/skim-app