sde-reschedule-dependers: fixed to not whine on configs with empty sandboxes

bin/sde-reschedule-dependers

@@ -3,7 +3,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: bin/sde-reschedule-dependers
-# Copyright (C) 2008 The OpenSDE Project
+# Copyright (C) 2008 - 2009 The OpenSDE Project
 #
 # More information can be found in the files COPYING and README.
 #
@@ -108,7 +108,7 @@ reschedule_dependers()
 		done
 	else
 		(cd "$sandbox/var/adm/cache" && grep -l "$pattern" *)
-	fi
+	fi 2> /dev/null
 }
 
 # which configs?