meson: Add libdir on gitg's rpath
If libdir
is set in a custom directory, gitg
will not be able to find libgitg
and libgitg-ext
.
libdir
has been set as the rpath
in gitg
so when a custom libdir
directory is used libgitg
and libgitg-ext
will be found.
Fixes #174 (closed)