Just little fix here and there

debian/php-common.postrm

@@ -5,19 +5,9 @@
 
 set -e
 
-case "$1" in
-    purge)
-	rm -rf /var/lib/php
-	;;
-    
-    remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
-    ;;
-
-    *)
-        echo "postrm called with unknown argument \`$1'" >&2
-        exit 1
-    ;;
-esac
+if [ "$1" = "purge" ]; then
+    rm -rf /var/lib/php
+fi
 
 #DEBHELPER#
 

debian/php-common.prerm

@@ -3,7 +3,7 @@
 set -e
 
 if [ "$1" = "remove" -o "$1" = "purge" ]; then
-    if dpkg-statoverride --list /var/lib/php/sessions; then
+    if dpkg-statoverride --list /var/lib/php/sessions >/dev/null; then
 	dpkg-statoverride --remove /var/lib/php/sessions;
     fi
 fi