pidgin/pidgin

Fix a possible leak.

2021-03-04, Elliott Sales de Andrade
afc646d2e7cb
Fix a possible leak.

Been failing in scanbuild for a while.

Testing Done:
Compile only. Ran scanbuild again and leak is not reported.

Reviewed at https://reviews.imfreedom.org/r/556/
---
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