Fix CI, for now

CMakeLists.txt

@@ -300,7 +300,10 @@ IF(WANT_SDL)
 	# Search for SDL2 using config mode first, then fall back to module mode.
 	# This allows us to use SDL2's own CMake configuration files if available.
 	FIND_PACKAGE(SDL2 CONFIG QUIET)
-	IF(NOT TARGET SDL2::SDL2)
+	IF(TARGET SDL2::SDL2)
+		SET(SDL2_INCLUDE_DIR "")
+		SET(SDL2_LIBRARY "SDL2::SDL2")
+	ELSE()
 		UNSET(SDL2_FOUND)
 		FIND_PACKAGE(SDL2 MODULE)
 	ENDIF()
@@ -309,10 +312,10 @@ IF(WANT_SDL)
 		SET(LMMS_HAVE_SDL TRUE)
 		SET(LMMS_HAVE_SDL2 TRUE)
 		SET(STATUS_SDL "OK, using SDL2")
-		SET(SDL2_LIBRARY "SDL2::SDL2")
 		SET(SDL_INCLUDE_DIR "")
 		SET(SDL_LIBRARY "")
 	ELSE()
+		SET(SDL2_INCLUDE_DIR "")
 		SET(SDL2_LIBRARY "")
 	ENDIF()
 ENDIF()