Android: fix missing prototype warning
diff --git a/src/locale/android/SDL_syslocale.c b/src/locale/android/SDL_syslocale.c
index eef9b1b..6cfb975 100644
--- a/src/locale/android/SDL_syslocale.c
+++ b/src/locale/android/SDL_syslocale.c
@@ -21,6 +21,7 @@
#include "../../SDL_internal.h"
#include "../SDL_syslocale.h"
+#include "../../core/android/SDL_android.h"
void
SDL_SYS_GetPreferredLocales(char *buf, size_t buflen)