libgnt/libgnt

Update all license file headers to point to an https link on gnu's website.

2020-09-21, Gary Kramlich
d390bf1e62e7
Update all license file headers to point to an https link on gnu's website.

Testing Done:
Compiled

Reviewed at https://reviews.imfreedom.org/r/128/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "libgnt/libgnt"
REPOSITORY_TYPE = "mercurial"
LAND_DEST_BRANCH = "default"
LAND_PUSH = False