pidgin/pidgin

Fix some issues scanbuild found in our dns handling code
release-2.x.y
2021-06-01, Gary Kramlich
5c79001c7e86
Fix some issues scanbuild found in our dns handling code

Testing Done:
Verified scanbuild no longer detected the errors.

Reviewed at https://reviews.imfreedom.org/r/694/
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