gettext

06260b32 - Merge from 0.20.x branch: examples: Use infrastructure from gettext version 0.20.2.

Merge from 0.20.x branch: examples: Use infrastructure from gettext version 0.20.2. * gettext-tools/examples/hello-*/configure.ac: Use AM_GNU_GETTEXT_VERSION with version 0.20.2. * gettext-tools/examples/hello-c++-kde/configure.in.in: Likewise.