pidgin/pidgin

Add some .ui files to POTFILES.in since they were missed previously.

2019-10-28, John Bailey
56f7c2805a73
Add some .ui files to POTFILES.in since they were missed previously.
subdir('libpurple')
subdir('protocols')
if ENABLE_GTK
subdir('pidgin')
endif
if enable_consoleui
subdir('finch')
endif