Mac: Fix a crash when SDL is compiled with SDL_MAC_NO_SANDBOX enabled…

…, by increasing the stack size of the mouse tap thread back to OS X' default of 512 KB.

src/video/cocoa/SDL_cocoaclipboard.m

@@ -50,7 +50,7 @@
     char *text;
 
     pasteboard = [NSPasteboard generalPasteboard];
-    available = [pasteboard availableTypeFromArray: [NSArray arrayWithObject:format]];
+    available = [pasteboard availableTypeFromArray:[NSArray arrayWithObject:format]];
     if ([available isEqualToString:format]) {
         NSString* string;
         const char *utf8;