Fixed compilation issues for kernel 3.15
Merge pull request #45 from ava1ar/master

Fixed compilation issues for kernel 3.15
@jaffking found that casesensitive = 0 can cause kernel NULL pointer dereference

so for now fix the BUG till full review WHY we have this BUG.

Thanks jaffking for temp solution.

https://github.com/dorimanx/exfat-nofuse/issues/46
Update exfat_super.c

The patching for kernel 3.15 also applies to 3.13.
Merge pull request #47 from dkpeall/master

Update exfat_super.c
Fix compilation on linux-3.3.x (OpenWrt AA) and remove the experimental AIO stuff