policycoreutils: drop usage of egrep in fixfiles

egrep(1) is deprecated, use `grep -E`.

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Acked-by: Petr Lautrbach <plautrba@redhat.com>

policycoreutils/scripts/fixfiles

@@ -45,9 +45,9 @@ FS="`cat /proc/self/mounts | sort | uniq | awk '{print $2}'`"
 for i in $FS; do
 	if [ `useseclabel` -ge 0 ]
 	then
-		grep " $i " /proc/self/mounts | awk '{print $4}' | egrep --silent '(^|,)seclabel(,|$)' && echo $i
+		grep " $i " /proc/self/mounts | awk '{print $4}' | grep -E --silent '(^|,)seclabel(,|$)' && echo $i
 	else
-		grep " $i " /proc/self/mounts | grep -v "context=" | egrep --silent '(ext[234]| ext4dev | gfs2 | xfs | jfs | btrfs )' && echo $i
+		grep " $i " /proc/self/mounts | grep -v "context=" | grep -E --silent '(ext[234]| ext4dev | gfs2 | xfs | jfs | btrfs )' && echo $i
 	fi
 done
 }
@@ -55,14 +55,14 @@ done
 get_rw_labeled_mounts() {
 FS=`get_all_labeled_mounts | sort | uniq`
 for i in $FS; do
-	grep " $i " /proc/self/mounts | awk '{print $4}' | egrep --silent '(^|,)rw(,|$)' && echo $i
+	grep " $i " /proc/self/mounts | awk '{print $4}' | grep -E --silent '(^|,)rw(,|$)' && echo $i
 done
 }
 
 get_ro_labeled_mounts() {
 FS=`get_all_labeled_mounts | sort | uniq`
 for i in $FS; do
-	grep " $i " /proc/self/mounts | awk '{print $4}' | egrep --silent '(^|,)ro(,|$)' && echo $i
+	grep " $i " /proc/self/mounts | awk '{print $4}' | grep -E --silent '(^|,)ro(,|$)' && echo $i
 done
 }
 
@@ -176,7 +176,7 @@ if [ -f ${PREFC} -a -x /usr/bin/diff ]; then
 	sed -r -e 's,:s0, ,g' $FC | sort -u | \
 	/usr/bin/diff -b ${PREFCTEMPFILE} - | \
 	    grep '^[<>]'|cut -c3-| grep ^/ | \
-	    egrep -v '(^/home|^/root|^/tmp)' |\
+	    grep -Ev '(^/home|^/root|^/tmp)' |\
 	sed -r -e 's,[[:blank:]].*,,g' \
 	       -e 's|\(([/[:alnum:]]+)\)\?|{\1,}|g' \
 	       -e 's|([/[:alnum:]])\?|{\1,}|g' \