qulogic/pidgin

31e8c7c92e2f
Make sure all of the license headers for IRCv3 are GPLv2

Testing Done:
Ran `licensecheck` from debian in the following way.

```
$ licensecheck *.[ch] | cut -d: -f 2 | sort | uniq -c
27 GNU General Public License v2.0 or later
```

Reviewed at https://reviews.imfreedom.org/r/2913/
if get_option('doc')
subdir('libpurple')
subdir('protocols')
if ENABLE_GTK
subdir('pidgin')
else
pidgin_doc = []
endif
if enable_consoleui
subdir('finch')
else
finch_doc = []
endif
alias_target('doc', libpurple_doc, protocols_doc, pidgin_doc, finch_doc)
endif