emacs: Patch temporary-file-directory (avoid /tmp)

packages/emacs/build.sh

@@ -1,7 +1,7 @@
 TERMUX_PKG_HOMEPAGE=http://www.gnu.org/software/emacs/
 TERMUX_PKG_DESCRIPTION="Extensible, customizable text editor-and more"
 TERMUX_PKG_VERSION=25.0.92
-TERMUX_PKG_BUILD_REVISION=1
+TERMUX_PKG_BUILD_REVISION=2
 TERMUX_PKG_SRCURL=ftp://alpha.gnu.org/gnu/emacs/pretest/emacs-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_DEPENDS="ncurses"
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--without-x --with-xpm=no --with-jpeg=no --with-png=no --with-gif=no --with-tiff=no --without-gconf --without-gsettings --without-all"

packages/emacs/lisp-cus-start.el.patch.beforehostbuild

@@ -0,0 +1,12 @@
+diff -u -r ../emacs-25.0.92/lisp/cus-start.el ./lisp/cus-start.el
+--- ../emacs-25.0.92/lisp/cus-start.el	2016-03-02 05:21:42.000000000 -0500
++++ ./lisp/cus-start.el	2016-04-06 18:16:00.007272810 -0400
+@@ -277,7 +277,7 @@
+ 			  "/tmp"))
+ 		     (t
+ 		      (or (getenv "TMPDIR") (getenv "TMP") (getenv "TEMP")
+-			  "/tmp"))))
++			  "@TERMUX_PREFIX@/tmp"))))
+ 	      :initialize custom-initialize-delay)
+ 	     ;; fns.c
+ 	     (use-dialog-box menu boolean "21.1")