fix(main/sssnake): Fix building with current clang

Fix the following build error:
> error: call to undeclared function 'addwstr'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]

packages/sssnake/build.sh

@@ -3,6 +3,7 @@ TERMUX_PKG_DESCRIPTION="cli snake game that plays itself"
 TERMUX_PKG_LICENSE="MIT"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION=0.3.2
+TERMUX_PKG_REVISION=1
 TERMUX_PKG_SRCURL=https://github.com/AngelJumbo/sssnake/archive/refs/tags/v${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=ffd5f012ed664d4d72df03af858c8984c60985ef680b760bb3f37d4948f2a3c0
 TERMUX_PKG_DEPENDS="ncurses"

packages/sssnake/draw.h.patch

@@ -0,0 +1,11 @@
+diff -u -r ../sssnake-0.3.2/draw.h ./draw.h
+--- ../sssnake-0.3.2/draw.h	2022-10-09 06:17:14.000000000 +0000
++++ ./draw.h	2024-05-15 09:56:17.567451156 +0000
+@@ -3,6 +3,7 @@
+ 
+ #include "snake.h"
+ #include "structs.h"
++#define NCURSES_WIDECHAR 1
+ #include <curses.h>
+ #include <locale.h>
+ #include <wchar.h>