Check free disk space on Symbian too.
Merge pull request #7039 from xsacha/symbian_free_space

Check free disk space on Symbian too.
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.
Merge pull request #7041 from Bigpet/master

Fix copy paste error with that breaks controlconfig passing via cmdline
Another typo.