Added missing SDL_Quit() in test program.
diff --git a/test/testdrawchessboard.c b/test/testdrawchessboard.c
index 287df5a..3306381 100644
--- a/test/testdrawchessboard.c
+++ b/test/testdrawchessboard.c
@@ -129,6 +129,7 @@ main(int argc, char *argv[])
}
#endif
+ SDL_Quit();
return 0;
}