SDL: Fixed build (bf925)

SDL Commits
1 
From bf925b9ecd11fc9a57f3abf1e16e3ca91f97a5c1 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Thu, 11 Aug 2022 14:41:48 -0700
Subject: [PATCH] Fixed build

---
 src/joystick/SDL_gamecontroller.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/joystick/SDL_gamecontroller.c b/src/joystick/SDL_gamecontroller.c
index 4d79d9bf169..037effe9889 100644
--- a/src/joystick/SDL_gamecontroller.c
+++ b/src/joystick/SDL_gamecontroller.c
@@ -1614,9 +1614,8 @@ SDL_GameControllerMappingForIndex(int mapping_index)
             return CreateMappingString(mapping, mapping->guid);
         }
         --mapping_index;
-    } else {
-        SDL_SetError("Mapping not available");
     }
+    SDL_SetError("Mapping not available");
     return NULL;
 }