Fix copy paste error with that breaks controlconfig passing via cmdline

This was discovered by fgeds here: http://forums.ppsspp.org/showthread.php?tid=13655
so all props go to him.

I did not do any testing beyond making sure it compiles on Windows. But this seems to be an obvious copypaste error introduced in https://github.com/hrydgard/ppsspp/commit/3590352429042b16155c5f7f910efcfc33cf4881#diff-cf7f0200393625a9de07886fc6feb85fL404