[gnome-terminal] build: Add required gio-unix-2.0 dependency

[Christian Persch <chpe src gnome org>]

commit ad56a3c32ad0911c067474d30a18b9d4b93050a8
Author: Christian Persch <chpe src gnome org>
Date:   Wed Sep 18 10:27:13 2019 +0200

    build: Add required gio-unix-2.0 dependency
    
    vte no longer has gio-unix-2.0 in its public pkg-config requires, so
    we need to add this dependency here.
    
    https://gitlab.gnome.org/GNOME/gnome-terminal/issues/165

 configure.ac | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/configure.ac b/configure.ac
index b9c8595c..b5688e42 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,6 +43,7 @@ GLIB_MIN_REQUIRED=2.50
 GLIB_MAX_ALLOWED=2.50
 
 GIO_REQUIRED=2.34.0
+GIO_UNIX_REQUIRED=2.34.0
 GSETTINGS_DESKTOP_SCHEMAS_REQUIRED=0.1.0
 DCONF_REQUIRED=0.14.0
 PCRE2_REQUIRED=10.00
@@ -87,6 +88,7 @@ PKG_CHECK_MODULES([TERM],
   [vte-$VTE_API_VERSION >= $VTE_REQUIRED
    glib-2.0 >= $GLIB_REQUIRED
    gio-2.0 >= $GIO_REQUIRED
+   gio-unix-2.0 >= $GIO_UNIX_REQUIRED
    gtk+-$GTK_API_VERSION >= $GTK_REQUIRED
    gsettings-desktop-schemas >= $GSETTINGS_DESKTOP_SCHEMAS_REQUIRED
    dconf >= $DCONF_REQUIRED