attr: Patch and enable package

packages/attr/attr.c.patch

@@ -0,0 +1,11 @@
+diff -u -r ../attr-2.4.47/attr/attr.c ./attr/attr.c
+--- ../attr-2.4.47/attr/attr.c	2013-05-19 06:53:54.000000000 +0200
++++ ./attr/attr.c	2017-02-02 21:51:24.680776395 +0100
+@@ -26,6 +26,7 @@
+ #include <errno.h>
+ #include <string.h>
+ #include <locale.h>
++#include <libgen.h> /* for basename(3) */
+ 
+ #include <attr/attributes.h>
+ #include "config.h"

packages/attr/build.sh

@@ -1,10 +1,11 @@
-# Package disabled - does Android support setting extended file attributes?
-# I'm getting 'Operation not supported on transport endpoint' on all tests.
 TERMUX_PKG_HOMEPAGE=http://savannah.nongnu.org/projects/attr/
-TERMUX_PKG_DESCRIPTION="Commands for manipulating filesystem extended attributes."
+TERMUX_PKG_DESCRIPTION="Utilities for manipulating filesystem extended attributes"
 TERMUX_PKG_VERSION=2.4.47
 TERMUX_PKG_SRCURL=http://download.savannah.gnu.org/releases/attr/attr-${TERMUX_PKG_VERSION}.src.tar.gz
+TERMUX_PKG_SHA256=25772f653ac5b2e3ceeb89df50e4688891e21f723c460636548971652af0a859
 TERMUX_PKG_FOLDERNAME=attr-$TERMUX_PKG_VERSION
 TERMUX_PKG_BUILD_IN_SRC=yes
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--enable-gettext=no"
 TERMUX_PKG_MAKE_INSTALL_TARGET="install install-lib"
+# attr.5 man page is in linux-man-pages:
+TERMUX_PKG_RM_AFTER_INSTALL="share/man/man5/attr.5"