Fixed compile warning
diff --git a/src/core/android/SDL_android.c b/src/core/android/SDL_android.c
index 60dd1d0..a7f4e52 100644
--- a/src/core/android/SDL_android.c
+++ b/src/core/android/SDL_android.c
@@ -23,6 +23,7 @@
#include "SDL_assert.h"
#include "SDL_hints.h"
#include "SDL_log.h"
+#include "SDL_main.h"
#ifdef __ANDROID__