pidgin/pidgin

Fix build with clang 11.0.0

2020-10-14, Steve Wills
6af4d993c8e5
Fix build with clang 11.0.0

Testing Done:
Built on FreeBSD 13 CURRENT with clang 11.0.0

Built on debian unstable with gcc to verify no changes there. -GK

Reviewed at https://reviews.imfreedom.org/r/167/
---
name: libpurple-common
buildsystem: simple
build-commands:
- true
modules:
- external/avahi.yml
- external/cyrus-sasl2.yml
- external/farstream.yml
- external/libgadu.yml
- external/libidn.yml
- external/mercurial.yml
- gplugin.yml