Update vendor/sdl3/sdl3_cpuinfo.odin

Co-authored-by: Laytan <[email protected]>

vendor/sdl3/sdl3_cpuinfo.odin

@@ -4,7 +4,7 @@ import "core:c"
 
 CACHELINE_SIZE :: 128
 
-@(default_calling_convention="c", link_prefix="SDL_")
+@(default_calling_convention="c", link_prefix="SDL_", require_results)
 foreign lib {
 	GetNumLogicalCPUCores :: proc() -> c.int ---
 	GetCPUCacheLineSize   :: proc() -> c.int ---