iOS: Fixed keyboard demo ignoring quit requests and window closing. This also fixed a warning about an unused variable.
diff --git a/Xcode-iOS/Demos/src/keyboard.c b/Xcode-iOS/Demos/src/keyboard.c
index 72db6a1..ab819f1 100644
--- a/Xcode-iOS/Demos/src/keyboard.c
+++ b/Xcode-iOS/Demos/src/keyboard.c
@@ -253,7 +253,7 @@ main(int argc, char *argv[])
int done = 0;
/* loop till we get SDL_Quit */
- while (SDL_WaitEvent(&event)) {
+ while (!done && SDL_WaitEvent(&event)) {
switch (event.type) {
case SDL_QUIT:
done = 1;