foamCleanPath: Changed sed delimiter from '@' to '|' to allow Email addresses

Patch contributed by Bruno Santos
http://bugs.openfoam.org/view.php?id=2306

bin/foamCleanPath

@@ -107,7 +107,7 @@ do
     ##DEBUG echo "remove>$wildcard<" 1>&2
     if [ -n "$wildcard" ]
     then
-        dirList=$(echo "$dirList:" | sed -e "s@${wildcard}[^:]*:@@g")
+        dirList=$(echo "$dirList:" | sed -e "s|${wildcard}[^:]*:||g")
     fi
 done