Panic when re-running tool after string is removed about go-i18n

[nicksnyder]

Thanks for reporting. I am not sure when I will have time to look at this so I would greatly appreciate it if you (or anyone else) could take a look at submit a pull request to fix.

[Waitak]

Here's a solution:

$ git diff
diff --git a/i18n/translation/single_translation.go b/i18n/translation/single_translation.go
index 9fcba5a..a76c8c9 100644
--- a/i18n/translation/single_translation.go
+++ b/i18n/translation/single_translation.go
@@ -37,7 +37,7 @@ func (st *singleTranslation) Normalize(language *language.Language) Translation
 }

 func (st *singleTranslation) Backfill(src Translation) Translation {
-       if st.template == nil || st.template.src == "" {
+       if (st.template == nil || st.template.src == "") && src != nil {
                st.template = src.Template(language.Other)
        }
        return st