[vala] ccode: Add missing newline after gnuc deprecations attribute

[Rico Tzschichholz <ricotz src gnome org>]

commit 88e5aab85e58e7ab93711349baec3aa98b5bbb8b
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Tue Oct 18 11:00:07 2016 -0700

    ccode: Add missing newline after gnuc deprecations attribute
    
    In generated C code, code wrapped by
    G_GNUC_[BEGIN|END]_IGNORE_DEPRECATIONS was missing a newline after the
    BEGIN attribute, which was causing compilation failures. Fix that by
    adding the missing newline.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=773129

 ccode/valaccodeggnucsection.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/ccode/valaccodeggnucsection.vala b/ccode/valaccodeggnucsection.vala
index deb969c..f4a28e3 100644
--- a/ccode/valaccodeggnucsection.vala
+++ b/ccode/valaccodeggnucsection.vala
@@ -38,6 +38,7 @@ public class Vala.CCodeGGnucSection : CCodeFragment {
        public override void write (CCodeWriter writer) {
                writer.write_string ("G_GNUC_BEGIN_");
                writer.write_string (section_type.to_string ());
+               writer.write_newline ();
                foreach (CCodeNode node in get_children ()) {
                        node.write_combined (writer);
                }