Merge pull request #1633 from ProBackup-nl/patch-22

Removed unnessary `cat` plus FIFO and simplified
`command < <( cat /some/file )` to `command < /some/file`
to let `command` get its STDIN directly from a regular file.

usr/share/rear/layout/save/GNU/Linux/240_swaps_layout.sh

@@ -45,5 +45,5 @@ Log "Saving Swap information."
         fi
 
         echo "swap $filename uuid=$uuid label=$label"
-    done < <(cat /proc/swaps)
+    done < /proc/swaps
 ) >> $DISKLAYOUT_FILE