glibc: fix false failure

do not just fail if grep does not match the locale name in the list

(From OE-Core rev: 6fdbd9129c602fd58179e5880e070c1ec7ea5540)

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-core/glibc/glibc.inc

@@ -48,7 +48,7 @@ do_rig_locales() {
 		head -n 3 $INFILE > $OUTFILE
 		for i in ${LIMIT_BUILT_LOCALES}; do
 			echo 
-			grep $i $INFILE >> $OUTFILE
+			grep $i $INFILE >> $OUTFILE || true
 		done
 		head --lines=-1 $OUTFILE > $INFILE
 		tail --lines=1 $OUTFILE | sed 's#\\##' >> $INFILE