weechat: Update from 2.0.1 to 2.1

packages/weechat/build.sh

@@ -1,7 +1,7 @@
 TERMUX_PKG_HOMEPAGE=https://weechat.org/
 TERMUX_PKG_DESCRIPTION="Fast, light and extensible IRC chat client"
-TERMUX_PKG_VERSION=2.0.1
-TERMUX_PKG_SHA256=425f3268fc9cb2a70610554380f1d5711bb8471178ef97159ec85918bea77b4b
+TERMUX_PKG_VERSION=2.1
+TERMUX_PKG_SHA256=a83977ba0ecc9d4cf3aac5977266ce9e584a3e05f1d797c2184c6ceb1f47063b
 TERMUX_PKG_SRCURL=https://www.weechat.org/files/src/weechat-${TERMUX_PKG_VERSION}.tar.bz2
 TERMUX_PKG_DEPENDS="ncurses, libgcrypt, libcurl, libgnutls, libandroid-support"
 # weechat-curses is a symlink to weechat, so remove it:

packages/weechat/src-gui-curses-headless-main.c.patch

@@ -0,0 +1,14 @@
+Submitted upstream at https://github.com/weechat/weechat/pull/1163
+
+diff -u -r ../weechat-2.1/src/gui/curses/headless/main.c ./src/gui/curses/headless/main.c
+--- ../weechat-2.1/src/gui/curses/headless/main.c	2018-03-18 07:41:40.000000000 +0100
++++ ./src/gui/curses/headless/main.c	2018-03-18 21:08:49.664939605 +0100
+@@ -72,7 +72,7 @@
+     setsid ();
+ 
+     /* close all file descriptors */
+-    for (i = getdtablesize(); i >= 0; --i)
++    for (i = sysconf(_SC_OPEN_MAX); i >= 0; --i)
+     {
+         close (i);
+     }