libweston: install libweston-ABI-protocols.pc into libdir instead datadir

  libweston-ABI-protocols.pc contains architecture dependent path, but it is
  installed into an architecture independent path.
  Use libdir instead datadir to install the file.

  Addresses: wayland/weston#269

Signed-off-by: Héctor Orón Martínez <zumbi@debian.org>
2 jobs for issue-269 in 1 minute and 54 seconds (queued for 1 second)
latest
Status Job ID Name Coverage
  Container Prep
passed #469801
container_prep

00:01:02

 
  Build
passed #469802
build-native-meson

00:00:52