pidgin/pidgin

Fix a few issues with the CredentialProvider code that snuck past review

2020-10-14, Gary Kramlich
569ab1326932
Fix a few issues with the CredentialProvider code that snuck past review

Testing Done:
Compiled and ran unit tests locally. Verified the warnings were gone from the unit test build and verified the warning was gone from the Purple-3.0.gir build.

Reviewed at https://reviews.imfreedom.org/r/168/
#tab-label-typing {
color: #4e9a06;
}
#tab-label-typed {
color: #c4a000;
}
#tab-label-attention {
color: #006aff;
}
#tab-label-unreadchat {
color: #cc0000;
}
#tab-label-event {
color: #888a85;
}