[DRE-maint] Bug#790910: FTBFS: glib-enum-types.c: error: 'G_WIN32_OS_ANY' undeclared

[Chris West (Faux)]

Source: ruby-gnome2
Version: 2.2.0-5
Severity: serious
Tags: sid stretch
Justification: fails to build from source (but built successfully in the past)
User: reproducible-builds at lists.alioth.debian.org
Usertags: ftbfs


Dear Maintainer,

The package fails to build:
make[4]: Entering directory '/tmp/buildd/ruby-gnome2-2.2.0/glib2/ext/glib2'
compiling glib-enum-types.c
glib-enum-types.c: In function 'g_win32_os_type_get_type':
glib-enum-types.c:1181:9: error: 'G_WIN32_OS_ANY' undeclared (first use in this function)
       { G_WIN32_OS_ANY, "G_WIN32_OS_ANY", "any" },

Full build log:
https://reproducible.debian.net/rb-pkg/unstable/amd64/ruby-gnome2.html

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.19.0-21-generic (SMP w/8 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)