Trying additional quoting on excludes (upstream #3882)

handlers/rsync.in

@@ -277,7 +277,7 @@ function eval_config {
     mv=move_files
   fi
 
-  excludes=`echo "$exclude" | @SED@ 's/^/--exclude=/g' -e 's/ / --exclude=/g'`
+  excludes=`echo "$exclude" | @SED@ "s/^/--exclude='/g" -e "s/ /' --exclude='/g" -e "s/$/'/"`
 
 }