sdl2-compat: minor update to standalone MinGW makefile

From bb5e55cc73a474e774d00281ad42e54a7cfab9fd Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Fri, 3 Feb 2023 17:40:40 +0300
Subject: [PATCH] minor update to standalone MinGW makefile

---
 src/Makefile.mingw | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Makefile.mingw b/src/Makefile.mingw
index bd5b2f8..60cc8db 100644
--- a/src/Makefile.mingw
+++ b/src/Makefile.mingw
@@ -16,13 +16,13 @@ LD = $(CC)
 CPPFLAGS = -DDLL_EXPORT -DNDEBUG
 
 CFLAGS  = -O3 -Wall
-LDFLAGS = -nostdlib -shared -Wl,--no-undefined -Wl,--enable-auto-image-base -Wl,--out-implib,$(LIB)
+LDFLAGS = -nostdlib -shared -Wl,--no-undefined -Wl,--enable-auto-image-base -Wl,--out-implib,$(IMPLIB)
 LDLIBS  = -lkernel32 -luser32
 # libgcc is needed for 32 bit (x86) builds:
 LDLIBS += -static-libgcc -lgcc
 
-LIB = libSDL2.dll.a
 DLL = SDL2.dll
+IMPLIB = libSDL2.dll.a
 
 OBJ = sdl2_compat.o dynapi/SDL_dynapi.o version.o