[dconf-editor] Revert "Compile with --enable-experimental-non-null."

[Arnaud Bonatti <arnaudb src gnome org>]

commit 64087b16d39eed58f0f32c320be41d8456d846a2
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Fri Mar 11 18:41:09 2016 +0100

    Revert "Compile with --enable-experimental-non-null."
    
    Pushed by error.
    
    This reverts commit cd0d5c5b18b9bb335b25235f6ce73044d6f28618.

 editor/Makefile.am |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/editor/Makefile.am b/editor/Makefile.am
index b82834c..b1762fa 100644
--- a/editor/Makefile.am
+++ b/editor/Makefile.am
@@ -7,8 +7,7 @@ dconf_editor_VALAFLAGS = \
        --pkg gmodule-2.0 \
        --pkg dconf \
        --gresources $(builddir)/dconf-editor.gresource.xml \
-       --target-glib $(GLIB_REQUIRED) \
-       --enable-experimental-non-null
+       --target-glib $(GLIB_REQUIRED)
 
 dconf_editor_LDADD = $(DCONF_EDITOR_LIBS)