Update to grep-3.11.

ports/grep/grep.patch

@@ -1,15 +1,3 @@
-diff -Paur --no-dereference -- grep.upstream/build-aux/config.sub grep/build-aux/config.sub
---- grep.upstream/build-aux/config.sub
-+++ grep/build-aux/config.sub
-@@ -1360,7 +1360,7 @@
- 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
- 	      | -sym* | -kopensolaris* | -plan9* \
- 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
--	      | -aos* | -aros* \
-+	      | -aos* | -aros* | -sortix* \
- 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
- 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
- 	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
 diff -Paur --no-dereference -- grep.upstream/configure grep/configure
 --- grep.upstream/configure
 +++ grep/configure
@@ -134,5 +122,5 @@ diff -Paur --no-dereference -- grep.upstream/configure grep/configure
 +export gl_cv_func_getcwd_null=yes # Only if the OS actually supports this, Sortix does.
 +export gl_cv_struct_dirent_d_ino=yes # Only if the OS actually supports this, Sortix does.
  # Guess values for system-dependent variables and create Makefiles.
- # Generated by GNU Autoconf 2.69.117-1717 for GNU grep 2.20.
+ # Generated by GNU Autoconf 2.72c.20-9c018 for GNU grep 3.11.
  #

ports/grep/grep.port

@@ -1,11 +1,12 @@
 NAME=grep
 BUILD_LIBRARIES='libiconv? libintl?'
-VERSION=2.20
+VERSION=3.11
 DISTNAME=$NAME-$VERSION
 COMPRESSION=tar.xz
 ARCHIVE=$DISTNAME.$COMPRESSION
-SHA256SUM=f0af452bc0d09464b6d089b6d56a0a3c16672e9ed9118fbe37b0b6aeaf069a65
+SHA256SUM=1db2aedde89d0dea42b16d9528f894c8d15dae4e190b59aecc78f5a951276eab
 UPSTREAM_SITE=https://ftp.gnu.org/gnu/grep
 UPSTREAM_ARCHIVE=$ARCHIVE
+LICENSE=GPL-3.0-or-later
 BUILD_SYSTEM=configure
 MAKE_VARS='V=1'