[PATCH 2/2] configure: print info about required gmime 2.4 or 2.6 versions

In case required gmime (2.4 or 2.6) version if not found print information about both alternatives (and currently minimal 2.6 version that is needed). --- I'm not entirely happy about the implementation but I would be less happy to write static message that has the same spesific version

[PATCH 2/2] configure: print info about required gmime 2.4 or 2.6 versions

In case required gmime (2.4 or 2.6) version if not found print information about both alternatives (and currently minimal 2.6 version that is needed). --- I'm not entirely happy about the implementation but I would be less happy to write static message that has the same spesific version