Feeds: Avoid fatal error with empty blog_charset value.
#11740
| Job | Run time |
|---|---|
| 2m 8s | |
| 2m 1s | |
| 3m 54s | |
| 4m 2s | |
| 1m 49s | |
| 8m 19s | |
| 1m 49s | |
| 8m 33s | |
| 11m 25s | |
| 11m 45s | |
| 7m 26s | |
| 10m 20s | |
| 4s | |
| 4s | |
| 0s | |
| 0s | |
| 0s | |
| 0s | |
| 1h 13m 39s |