[gnome-builder] clang: show optional completion param value in italic

[Christian Hergert <chergert src gnome org>]

commit 4b057a9619090df79b15f5e3c94c351644c36436
Author: Christian Hergert <chergert redhat com>
Date:   Sun Oct 11 14:46:49 2015 -0400

    clang: show optional completion param value in italic

 plugins/clang/ide-clang-completion-item.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/plugins/clang/ide-clang-completion-item.c b/plugins/clang/ide-clang-completion-item.c
index 2748324..25863b5 100644
--- a/plugins/clang/ide-clang-completion-item.c
+++ b/plugins/clang/ide-clang-completion-item.c
@@ -187,6 +187,9 @@ ide_clang_completion_item_lazy_init (IdeClangCompletionItem *self)
           break;
 
         case CXCompletionChunk_Optional:
+          g_string_append_printf (markup, "<i>%s</i>", escaped);
+          break;
+
         default:
           break;
         }