MFC: De-capitalize days and months' names.

src/share/timedef/da_DK.UTF-8.src: rev 1.1 -> 1.2
src/share/timedef/da_DK.ISO8859-1.src: rev 1.10 -> 1.11

PR: conf/101154
Submitted by: Thomas Jensen <tj@pil.dk>
Approved by: re (hrs)