[anjuta] language-support-vala: bgo #722197 - use an empty list in case of the Vala block context is null

[Abderrahim Kitouni <akitouni src gnome org>]

commit cae63fd93ba8424665918dd66d0f38cac249ca23
Author: Abderrahim Kitouni <a kitouni gmail com>
Date:   Tue Jul 8 18:22:46 2014 +0100

    language-support-vala: bgo #722197 - use an empty list in case of the Vala block context is null

 plugins/language-support-vala/plugin.vala |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/plugins/language-support-vala/plugin.vala b/plugins/language-support-vala/plugin.vala
index a9a2c58..97aae74 100644
--- a/plugins/language-support-vala/plugin.vala
+++ b/plugins/language-support-vala/plugin.vala
@@ -527,7 +527,9 @@ public class ValaPlugin : Plugin, IAnjuta.Preferences {
 
        internal List<Vala.Symbol> lookup_symbol (Vala.Expression? inner, string name, bool prefix_match,
                                                                         Vala.Block block) {
-               List<Vala.Symbol> matching_symbols = null;
+               var matching_symbols = new List<Vala.Symbol> ();
+
+               if (block == null) return matching_symbols;
 
                lock (context) {
                        if (inner == null) {