Android: Fixed two warnings.
diff --git a/src/thread/pthread/SDL_systhread.c b/src/thread/pthread/SDL_systhread.c
index a36e384..c77e31b 100644
--- a/src/thread/pthread/SDL_systhread.c
+++ b/src/thread/pthread/SDL_systhread.c
@@ -130,10 +130,10 @@ SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
void
SDL_SYS_SetupThread(const char *name)
{
-#ifndef __NACL__
+#if !defined(__ANDROID__) && !defined(__NACL__)
int i;
sigset_t mask;
-#endif
+#endif /* !__ANDROID__ && !__NACL__ */
if (name != NULL) {
#if defined(__MACOSX__) || defined(__IPHONEOS__) || defined(__LINUX__)