audio: Fix false positives in driver name comparison

Without this change, driver names don't get matched correctly;
for example "a" can get matched with "alsa" since it only checks
whether the string matches up to the length of the requested
driver name.

Fixed whitespace

Backed out changeset 51622f74dc85

hidapi: Zero out new hid_device_info structs

rename os2 makefile so that 'make dist' catches it; update it a bit.

Added patch note for Android Studio support

Don't X error in SDL_CreateWindow with unsupported GL attributes

Fixed Mac OS X build

Fixed bug 3460 - docs/README-macosx.md: g++fat.sh should be g++-fat.s…

…h in universal build command

Elis?e Maurer

I scratched my head for a while until I realized there's a typo in the command listed in the instructions for universal Mac builds: https://hg.libsdl.org/SDL/file/3a3a88db1fc2/docs/README-macosx.md#l24

It should say `g++-fat.sh` but instead it says `g++fat.sh`, which makes `./configure` fail with a C++ preprocessor error.

Backed out commit 80ce90dbc266, this causes Visual Studio build failu…

…re on buildbot