test: testspriteminimal wasn't calling SDL_Quit() on exit.
diff --git a/test/testspriteminimal.c b/test/testspriteminimal.c
index b05d4b0..5e50baf 100644
--- a/test/testspriteminimal.c
+++ b/test/testspriteminimal.c
@@ -38,6 +38,7 @@
 static void
 quit(int rc)
 {
+    SDL_Quit();
     exit(rc);
 }