pidgin/pidgin

Fix a small typo.

2020-11-02, Elliott Sales de Andrade
4118acc90778
Fix a small typo.

Reviewed at https://reviews.imfreedom.org/r/192/
syntax: glob
.*.swp
.DS_Store
.flatpak-builder
*.pyc
*~
\#*\#
subprojects/*/
syntax: regexp
^build(.+)?\/
win32-install-dir(\.release)?