tree c5cd6e4ec012373f6affbea1a590a2b283ef74a7
parent 769851e0a69e9e1a8bcd9c14c97659d6421f6c81
author George Burgess IV <gbiv@google.com> 1589843131 -0700
committer George Burgess IV <gbiv@google.com> 1589850290 +0000

fix -Wunreachable-code-loop-increment

`glGetError()` may return more than one error, yet these loops never
iterated more than once. This CL fixes that, and cleans up some useless
casting.

Same fix as Ib2d3a6a95726fa954426a3644635dcf41fb571db.

Bug: 150166387
Test: TreeHugger
Change-Id: Ie569d385bb67fe2fdf2003577614e6b35ed9f17c