[gnome-builder] flatpak: fix comparison for valid process

[Christian Hergert <chergert src gnome org>]

commit 665aa9719d169e7d1869c627f352af6fef1172aa
Author: Christian Hergert <chergert redhat com>
Date:   Thu Feb 16 00:13:06 2017 -0800

    flatpak: fix comparison for valid process

 plugins/flatpak/gbp-flatpak-application-addin.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/flatpak/gbp-flatpak-application-addin.c b/plugins/flatpak/gbp-flatpak-application-addin.c
index 2963c3b..1ecfdd1 100644
--- a/plugins/flatpak/gbp-flatpak-application-addin.c
+++ b/plugins/flatpak/gbp-flatpak-application-addin.c
@@ -211,7 +211,7 @@ gbp_flatpak_application_addin_remove_old_repo (GbpFlatpakApplicationAddin  *self
 
   process = ide_subprocess_launcher_spawn (launcher, cancellable, error);
 
-  if (process == NULL)
+  if (process != NULL)
     ret = ide_subprocess_wait (process, cancellable, error);
 
   IDE_RETURN (ret);