Improve some error messages
Typo fix
Oops
Remove some redundancy (Symbian/Qt). Symbian has cstdint now.
Qt: GIT_VERSION expand fix for Linux.
Default "ShowTouchPause" to true on Windows - makes sense on tablets.
Protect against bad spline patch data better.

Also fix a struct name collision.
Don't eat extra cycles when idling.

Rescheduling between threads takes about 3000 cycles, but that's not true
for both sides of e.g. a delay.

Fixes #6409 (assuming 60fps is what a PSP gets.)
Fix low-level atrac3/atrac3+ decoding.

Fixes #6400.