sdl2-compat: cmake: fix DLL name of SDL2 MinGW build (SDL2.dll instead of libSDL2.dll)

SDL Commits
#1 
From 7588cc561ffc70d62d3d44b40f401c1fb619a0b9 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Tue, 29 Nov 2022 15:58:08 +0100
Subject: [PATCH] cmake: fix DLL name of SDL2 MinGW build (SDL2.dll instead of
 libSDL2.dll)

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8f56174..590f9dd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -157,7 +157,7 @@ elseif(WIN32)
     VERSION "${PROJECT_VERSION}"
     SOVERSION "0"
     OUTPUT_NAME "SDL2"
-    SHARED_LIBRARY_PREFIX ""
+    PREFIX ""
   )
 elseif(OS2)
   set_target_properties(SDL2 PROPERTIES