[Aphrodite] Gnus reports several warnings

The following messages are reported to stderr: Comparison between integer and character is constant nil (0 and ?2) [nntp-retrieve-headers, gnus-retrieve-headers, gnus-cache-retrieve-headers, gnus-retrieve-headers, gnus-select-newsgroup, gnus-summary-read-group-1, gnus-summary-read-group, gnus-group-read-group, gnus-topic-read-group, gnus-mouse-pick-topic, call-interactively] Comparison between integer and character is constant nil (0 and ?2) [nntp-retrieve-headers, gnus-retrieve-headers, gnus-cache-retrieve-headers, gnus-retrieve-headers, gnus-select-newsgroup, gnus-summary-read-group-1, gnus-summary-read-group, gnus-group-read-group, gnus-topic-read-group, gnus-mouse-pick-topic, call-interactively] Comparison between integer and character is constant nil (0 and ?2) [nntp-retrieve-headers, gnus-retrieve-headers, gnus-cache-retrieve-headers, gnus-retrieve-headers, gnus-select-newsgroup, gnus-summary-read-group-1, gnus-summary-read-group, gnus-group-read-group, gnus-topic-read-group, gnus-mouse-pick-topic, call-interactively] --Marcus