C: Fix uncrustify recentering when saving buffer from another buffer

.emacs.d/lisp/init-cc.el

@@ -119,7 +119,9 @@ If the command is not `make', run it normally. "
           (insert-buffer-substring formatbuf))
         (goto-line old-line)
         (move-to-column old-column)
-        (recenter old-window-start-line))
+        (ignore-errors
+          ;; recenter won't work if selected window is not the target buffer.
+          (recenter old-window-start-line)))
       (kill-buffer formatbuf)))
   ;; Return nil if in a `write-file-functions'.
   nil)