Remove the paragraph about writing to the Free Software Foundation's
mailing address. The FSF has changed addresses in the past, and may do
so again. In 2021 this is not useful, let's rather have a bit less
boilerplate at the start of source files.
Change-Id: Ie0a3b2273383adbb3303faffd6ff96be7f4cae99
osmo_hexdump is particularly useful.
previously it was only defined, but not implemented.
this cause random behaviour upon call, often resulting in
memory corruption.
Change-Id: Ifd9120fa951f41693903fb657d10826959f1599f
