[poppler] Build fail on Ubuntu 14.04

[Jason Crain]

On 2016-09-15, Alex Korobkin <korobkin+pp at gmail.com> wrote:
> poppler-document.cc:1521:25: error: invalid conversion from 'int' to
> 'GParamFlags' [-fpermissive]
>         G_PARAM_READWRITE));
...
> Does it need a newer version of glib-2.0 since 0.47 release? Or am I
> missing something other library or reference?

It needs a newer version of glib.  See https://bugs.freedesktop.org/97432.
Old glib has G_PARAM_READWRITE as a #define and C++ doesn't like that.