pidgin/pidgin

Fix build with clang 11.0.0

2020-10-14, Steve Wills
85c82288a969
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/
subdir('bonjour')
subdir('facebook')
subdir('gg')
subdir('irc')
subdir('jabber')
subdir('novell')
subdir('null')
subdir('sametime')
subdir('silc')
subdir('simple')
subdir('zephyr')