Add git commit to the reported version with -v #318
Merged
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When git is available, records the git commit in the dillo binary, so dillo -v reports the version and the commit. Otherwise only the release version is reported (as we do now).
The commit is always recomputed when "make" is called. This allows switching branches, doing a dirty rebuild and still get the correct commit with "dillo -v".
Using AC_INIT() doesn't update the commit when the source is already configured.
Fixes: #288