pidgin/pidgin

bitbucket-pipelines.yml: Change `make check` to `make distcheck`

Now that `make distcheck` should succeed, we can just use it as it
internally does `make check`. This patch changes the BitBucket
pipeline file to do so.
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@
datarootdir=@datarootdir@
datadir=@datadir@
sysconfdir=@sysconfdir@
abs_srcdir=@abs_srcdir@
abs_builddir=@abs_builddir@
abs_top_srcdir=@abs_top_srcdir@
abs_top_builddir=@abs_top_builddir@
plugindir=${libdir}/purple-@PURPLE_MAJOR_VERSION@
Name: libpurple
Description: libpurple is a GLib-based instant messenger library.
Version: @VERSION@
Requires: glib-2.0
Cflags: -I${abs_top_srcdir} -I${abs_top_builddir}
Libs: ${abs_builddir}/libpurple.la