evolution-data-server: fix locale installation path

fixes:

WARNING: QA Issue: evolution-data-server: Files/directories were installed but not shipped in any package:
  /usr/locale
  /usr/locale/xh
  /usr/locale/hu
  /usr/locale/nn
  /usr/locale/fi
...

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>