pidgin/pidgin

Fixing building on Haiku
release-2.x.y
2021-09-11, Haiku Ports Team
f14a311b8313
Fixing building on Haiku

This patch came from Haiku and was part of their GSoC project for creating a libpurple UI. The original patch can be found at https://github.com/haikuports/haikuports/commit/85fd8fe1ba987c82bc94968a82531c05247b52ad

Testing Done:
Compile only.

Reviewed at https://reviews.imfreedom.org/r/916/
FROM pidgin/release-builder:release-2.x.y AS build
COPY . /pidgin
RUN set -ex && \
cd /pidgin && \
./autogen.sh --enable-debug && \
make -s -j$(nproc) docs
FROM rwgrim/goserve
EXPOSE 3000
COPY --from=build /pidgin/doc/html html