SDL: Fixed comment (thanks @pionere!)

SDL Commits
1 
From 2be9301410ba8d0a05526c7431a4dac75478e71b Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 18 Jul 2022 07:18:56 -0700
Subject: [PATCH] Fixed comment (thanks @pionere!)

---
 src/SDL_utils_c.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SDL_utils_c.h b/src/SDL_utils_c.h
index 8f405159fb8..01efddeb488 100644
--- a/src/SDL_utils_c.h
+++ b/src/SDL_utils_c.h
@@ -24,7 +24,7 @@
 
 /* Common utility functions that aren't in the public API */
 
-/* Return the smallest power of 2 greater than or equal to 2 */
+/* Return the smallest power of 2 greater than or equal to 'x' */
 int SDL_powerof2(int x);
 
 #endif /* SDL_utils_h_ */