[gnome-shell/wip/hadess/alsa-disable] build: Update gvc to not require ALSA support

[Bastien Nocera <hadess src gnome org>]

commit 9b6a931b432793ef7a04c3f9352219650ca6355d
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Jan 26 11:24:03 2018 +0100

    build: Update gvc to not require ALSA support
    
    ALSA support is only used in gnome-settings-daemon, so always disable
    the option, which wouldn't work on non-Linux anyway.

 meson.build     | 3 ++-
 subprojects/gvc | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/meson.build b/meson.build
index 7918fb30c..88766b3e4 100644
--- a/meson.build
+++ b/meson.build
@@ -172,7 +172,8 @@ libgvc = subproject('gvc',
     'pkgdatadir=' + pkgdatadir,
     'pkglibdir=' + pkglibdir,
     'static=false',
-    'with-introspection=true'
+    'with-introspection=true',
+    'alsa=false'
   ]
 )
 libgvc_gir = libgvc.get_variable('libgvc_gir')
diff --git a/subprojects/gvc b/subprojects/gvc
index 5b9772778..67533bffd 160000
--- a/subprojects/gvc
+++ b/subprojects/gvc
@@ -1 +1 @@
-Subproject commit 5b977277883b67fd8a34128dbf057ffc9d9cd148
+Subproject commit 67533bffdcd22893b28baa411b2e75bd75dce323