Update grep to 2.12

sys-apps/grep/grep-2.12.bep

@@ -0,0 +1,26 @@
+DESCRIPTION="GNU regular expression matcher" 
+HOMEPAGE="http://www.gnu.org/software/grep/" 
+SRC_URI="http://ftpmirror.gnu.org/grep/grep-2.12.tar.xz"
+CHECKSUM_MD5="8d2f0346d08b13c18afb81f0e8aa1e2f"
+REVISION="1"
+STATUS_HAIKU="stable"
+DEPEND="sys-devel/gettext >= 0.17
+	sys-devel/libiconv >= 1.13.1"
+BUILD {
+	cd grep-2.12
+	libtoolize --force --copy --install
+	aclocal -I m4
+	autoconf
+	./configure --prefix=`finddir B_COMMON_DIRECTORY` \
+		--datarootdir=`finddir B_COMMON_DATA_DIRECTORY` \
+		--infodir=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`/info \
+		--mandir=`finddir B_COMMON_DOCUMENTATION_DIRECTORY`/man
+	make
+}
+
+INSTALL {
+	cd grep-2.12
+	make install
+}
+LICENSE="GNU GPL v3"
+COPYRIGHT="1992-2012 Free Software Foundation, Inc."

sys-apps/grep/patches/grep-2.12.patch

@@ -0,0 +1,14 @@
+diff -up grep-2.12/src/kwsearch.c.orig grep-2.12/src/kwsearch.c
+--- grep-2.12/src/kwsearch.c.orig	2012-02-27 02:35:19.015204352 -0700
++++ grep-2.12/src/kwsearch.c	2012-05-02 22:46:36.262668288 -0600
+@@ -106,8 +106,9 @@ Fexecute (char const *buf, size_t size, 
+           /* The match was a part of multibyte character, advance at least
+              one byte to ensure no infinite loop happens.  */
+           mbstate_t s;
++          size_t mb_len;
+           memset (&s, 0, sizeof s);
+-          size_t mb_len = mbrlen (mb_start, (buf + size) - (beg + offset), &s);
++          mb_len = mbrlen (mb_start, (buf + size) - (beg + offset), &s);
+           if (mb_len == (size_t) -2)
+             goto failure;
+           beg = mb_start;