[gnome-builder] doc-card: set initial context

[Christian Hergert <chergert src gnome org>]

commit b7410f368687f73476926e55418408b985d2e97d
Author: Christian Hergert <chergert redhat com>
Date:   Fri Sep 1 23:15:42 2017 -0700

    doc-card: set initial context
    
    Fixes CID 175133

 .../gbp-documentation-card-view-addin.c            |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/documentation-card/gbp-documentation-card-view-addin.c 
b/plugins/documentation-card/gbp-documentation-card-view-addin.c
index c8449cc..7198d05 100644
--- a/plugins/documentation-card/gbp-documentation-card-view-addin.c
+++ b/plugins/documentation-card/gbp-documentation-card-view-addin.c
@@ -55,7 +55,7 @@ documentation_requested_cb (GbpDocumentationCardViewAddin *self,
   GtkSourceLanguage *lang;
   IdeContext *context;
   IdeDocumentation *doc;
-  IdeDocumentationContext doc_context;
+  IdeDocumentationContext doc_context = IDE_DOCUMENTATION_CONTEXT_NONE;
   g_autoptr(IdeDocumentationInfo) info = NULL;
   GtkTextIter begin;
   GtkTextIter end;