[gnome-builder] build: make sure .h files are ignored by gtk-doc

[Christian Hergert <chergert src gnome org>]

commit b26bea1fe88c2a4832899a744f9128ba23f7b70d
Author: Christian Hergert <chergert redhat com>
Date:   Wed Aug 8 18:14:11 2018 -0700

    build: make sure .h files are ignored by gtk-doc

 src/libide/util/meson.build | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/src/libide/util/meson.build b/src/libide/util/meson.build
index 01cf03d11..da66c5218 100644
--- a/src/libide/util/meson.build
+++ b/src/libide/util/meson.build
@@ -33,13 +33,20 @@ util_sources = [
   'ide-uri.c',
 ]
 
+# .h files used for gtk-doc ignores
 util_private_sources = [
   'gs-markdown.c',
+  'gs-markdown.h',
   'ide-async-helper.c',
+  'ide-async-helper.h',
   'ide-battery-monitor.c',
+  'ide-battery-monitor.h',
   'ide-doc-seq.c',
+  'ide-doc-seq.h',
   'ide-window-settings.c',
+  'ide-window-settings.h',
   'ptyintercept.c',
+  'ptyintercept.h',
 ]
 
 util_enums = [