Fortify bcdiff() against junky file paths

dotfiles/bash/main.bashrc

@@ -42,8 +42,8 @@ bcdiff() {
 vims() {
     # 2015-07-10 06:10:48.603953758 +0200 ~/TODO.todo
     local swap="$HOME/.local/share/vim/swap"
-    find "$swap" -type f \
-      | xargs -r stat -c "%y %n" \
+    find "$swap" -type f -print0 \
+      | xargs -0 -r stat -c "%y %n" \
       | sed "
             s| $swap/| |
             s|%|/|g