Fix compilation issues

1) when building for android
2) when building without wayland

Author: LinusDierheimer

src/detection/displayserver/wayland.c

@@ -160,6 +160,8 @@ void ffdsConnectWayland(const FFinstance* instance, FFDisplayServerResult* resul
     #ifdef FF_HAVE_WAYLAND
         if(detectWayland(instance, result))
             return;
+    #else
+        FF_UNUSED(instance);
     #endif
 
     const char* xdgSessionType = getenv("XDG_SESSION_TYPE");

src/detection/os.c

@@ -7,7 +7,9 @@
 #include <stdlib.h>
 #include <pthread.h>
 
-#if !defined(__ANDROID__)
+#if __ANDROID__
+    #include "common/settings.h"
+#else
 
 static bool parseFile(const char* fileName, FFOSResult* result)
 {