kc3-lang/SDL

2022-12-17T06:58:02

Fixed compiler warning ``` ./src/thread/pthread/SDL_syssem.c:140:12: warning: variable 'retval' is used uninitialized whenever 'while' loop exits because its condition is false [-Wsometimes-uninitialized] while (sem_trywait(&sem->sem) != 0) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~ ./src/thread/pthread/SDL_syssem.c:149:12: note: uninitialized use occurs here return retval; ^~~~~~ ./src/thread/pthread/SDL_syssem.c:140:12: note: remove the condition if it is always true while (sem_trywait(&sem->sem) != 0) { ``` This was a legitimate bug, thank you clang! Fixes https://github.com/libsdl-org/SDL/issues/6830 (cherry picked from commit b678a9802435152324e0603055e4bb190d0ae526)