[gnome-builder] build: ensure ide-build-ident.h is a build dep

[Christian Hergert <chergert src gnome org>]

commit b2252b6b284f8f0dd4acefda6dd5e2d3fa97f7f3
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jun 19 15:49:10 2017 -0700

    build: ensure ide-build-ident.h is a build dep

 libide/meson.build |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/libide/meson.build b/libide/meson.build
index 8b9a2d8..ec91c81 100644
--- a/libide/meson.build
+++ b/libide/meson.build
@@ -15,7 +15,7 @@ libide_version_h = configure_file(
         install: true,
   configuration: version_data)
 
-vcs_tag(
+libide_build_ident_h = vcs_tag(
      fallback: meson.project_version(),
         input: 'ide-build-ident.h.in',
        output: 'ide-build-ident.h',
@@ -411,6 +411,7 @@ libide_public_sources = [
 ]
 
 libide_generated_headers = [
+  libide_build_ident_h,
   libide_resources[1],
   libide_icons_resources[1],
   libide_enums[1],