Fix NPE in GetExternalFilesDir. Correct return value in gamepad code

src/in/celest/xash3d/XashActivity.java

@@ -691,13 +691,15 @@ public class XashActivity extends Activity {
 			if( action == KeyEvent.ACTION_DOWN )
 			{
 				nativeHat( id, hat, val, true  );
+				return true;
 			}
 			else if( action == KeyEvent.ACTION_UP )
 			{
 				nativeHat( id, hat, val, false );
+				return true;
 			}
 
-			return true;
+			return false;
 		}
 
 		// Engine will bind these to AUX${val} virtual keys

src/su/xash/fwgslib/FWGSLib.java

@@ -115,6 +115,11 @@ public class FWGSLib
 	{
 		File f = ctx.getExternalFilesDir( null );
 		
+		if( f == null )
+		{
+			f = new File( getDefaultXashPath() );
+		}
+		
 		f.mkdirs();
 		
 		return f.getAbsolutePath();