Commit f30e2e438db36bfc3961fae4d7908fadd0d262f8

Brick 2021-10-06T22:52:33

Fix compiler warnings in testvulkan.c MSVC gives the following warnings when compiling testvulkan.c: ``` testvulkan.c(656,1): warning C4018: '<': signed/unsigned mismatch testvulkan.c(656,1): warning C4018: '>': signed/unsigned mismatch testvulkan.c(660,1): warning C4018: '<': signed/unsigned mismatch testvulkan.c(660,1): warning C4018: '>': signed/unsigned mismatch ```