input_common/sdl/sdl_impl: Mark variables const where applicable

Make it explicit that these aren't modified elsewhere (either through
functions by reference, or by other operations).
This commit is contained in:
Lioncash 2019-06-03 16:30:33 -04:00
parent ca7ca2919c
commit 50048d9f5a
1 changed files with 11 additions and 10 deletions