[gnome-builder] flatpak: fix typo in configure.ac

[Sébastien Lafargue <slafargue src gnome org>]

commit aad2310396bf646b03a46794571e4521df9afda5
Author: Gautier Pelloux-Prayer <gautier+git damsy net>
Date:   Sun Oct 16 17:16:38 2016 +0200

    flatpak: fix typo in configure.ac
    
    https://bugzilla.gnome.org/show_bug.cgi?id=773035

 plugins/flatpak/configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/flatpak/configure.ac b/plugins/flatpak/configure.ac
index 77d1fea..a0d8547 100644
--- a/plugins/flatpak/configure.ac
+++ b/plugins/flatpak/configure.ac
@@ -13,7 +13,7 @@ AS_IF([test "$enable_flatpak_plugin" != no],[
                          [have_flatpak=yes],
                          [have_flatpak=no])
 
-       AS_IF([test "$enable_flatpak_plugin" = "yes" && "$have_flatpak" = "no"],[
+       AS_IF([test "$enable_flatpak_plugin" = "yes" && test "$have_flatpak" = "no"],[
               AC_MSG_ERROR([--enable-flatpak-plugin requires flatpak >= flatpak_required_version])
        ])