emacs: Link against gnutls and libxml2

This enables more features and fixes https connections in a more
stable way.

packages/emacs/build.sh

@@ -1,10 +1,10 @@
 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=3
+TERMUX_PKG_BUILD_REVISION=4
 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"
+TERMUX_PKG_DEPENDS="ncurses, gnutls, libxml2"
+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 --with-gnutls --with-xml2"
 # Ensure use of system malloc:
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" emacs_cv_sanitize_address=yes"
 # Prevent configure from adding -nopie: