Only remove when a match has been found

* dispass.el (dispass-remove-label): Only remove a label if it has
  been found and don't throw an error when it hasn't.

1 files changed, 3 insertions, 3 deletions

diff --git a/dispass.el b/dispass.el
index b93654f..3808f43 100644
--- a/dispass.el
+++ b/dispass.el
@@ -214,9 +214,9 @@ an eye out for LABEL."
 
     (with-temp-buffer
       (insert-file-contents dispass-file)
-      (re-search-forward (concat "^" label))
-      (kill-whole-line)
-      (write-file dispass-file))
+      (when (re-search-forward (concat "^" label) nil t)
+        (kill-whole-line)
+        (write-file dispass-file)))
 
     (when labels-mode-p
       (revert-buffer))))