SDL_image: Update IMG_Init() return value to match documentation

SDL Commits
1 
From 840d1d80ce9fec099a656e1fa5078a9f1980d88d Mon Sep 17 00:00:00 2001
From: Nathan Houghton <[EMAIL REDACTED]>
Date: Fri, 31 Dec 2021 11:33:43 -0800
Subject: [PATCH] Update IMG_Init() return value to match documentation

---
 IMG.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/IMG.c b/IMG.c
index 8ff082f..d1e4183 100644
--- a/IMG.c
+++ b/IMG.c
@@ -87,11 +87,6 @@ int IMG_Init(int flags)
 {
     int result = 0;
 
-    /* Passing 0 returns the currently initialized loaders */
-    if (!flags) {
-        return initialized;
-    }
-
     if (flags & IMG_INIT_JPG) {
         if ((initialized & IMG_INIT_JPG) || IMG_InitJPG() == 0) {
             result |= IMG_INIT_JPG;
@@ -114,7 +109,7 @@ int IMG_Init(int flags)
     }
     initialized |= result;
 
-    return result;
+    return initialized;
 }
 
 void IMG_Quit()