Center ioq3 credits vertically.

code/q3_ui/ui_credits.c

@@ -67,7 +67,9 @@ static void UI_CreditMenu_Draw_ioq3( void ) {
 		NULL
 	};
 
-	y = 12;
+	// Center text vertically on the screen
+	y = (SCREEN_HEIGHT - ARRAY_LEN(names) * (1.42 * PROP_HEIGHT * PROP_SMALL_SIZE_SCALE)) / 2;
+
 	UI_DrawProportionalString( 320, y, "ioquake3 contributors:", UI_CENTER|UI_SMALLFONT, color_white );
 	y += 1.42 * PROP_HEIGHT * PROP_SMALL_SIZE_SCALE;