[oe] [meta-gnome][PATCH] fix networkmanager apppend

[thc]

Fix following warning:
  WARNING:
   networkmanager-1.14.4-r0 do_configure:
   QA Issue: networkmanager:
     invalid PACKAGECONFIG: bluez5glib [invalid-packageconfig]

  if conf/local.conf:
   PACKAGECONFIG_append_pn-networkmanager = " ifupdown wifi bluez5"
  bluez5 is not compiled into nm

  appending variable should use a prepending space, see
  https://www.yoctoproject.org/docs/2.0/ref-manual/ref-manual.html
---
 .../recipes-connectivity/networkmanager/networkmanager_%.bbappend       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta-gnome/recipes-connectivity/networkmanager/networkmanager_%.bbappend b/meta-gnome/recipes-connectivity/networkmanager/networkmanager_%.bbappend
index 291a61605..1abb5bbcd 100644
--- a/meta-gnome/recipes-connectivity/networkmanager/networkmanager_%.bbappend
+++ b/meta-gnome/recipes-connectivity/networkmanager/networkmanager_%.bbappend
@@ -1,3 +1,3 @@
 # networkmanager-applet requires glib support
-PACKAGECONFIG_append = "glib"
+PACKAGECONFIG_append = " glib"
 
-- 
2.11.0