pidgin/pidgin

Ignore pidginprivate.h from the docs

2021-05-13, Gary Kramlich
1b5b70f24f62
Ignore pidginprivate.h from the docs

Testing Done:
Ran docs locally, had to remove the html and xml directories to have a clean build.

Reviewed at https://reviews.imfreedom.org/r/653/
#define REVISION "@VCS_TAG@"