Debugger: Fix regression introduced in 1d580bcf9f

Change-Id: Ia4a88aaae1e3b3e1a9c7ec3cd5b8a52d36edac4f
Reviewed-by: hjk <hjk121@nokiamail.com>

share/qtcreator/dumper/gbridge.py

@@ -79,10 +79,10 @@ def listOfLocals(varList):
         #warn("BLOCK: %s " % block)
     except RuntimeError, error:
         warn("BLOCK IN FRAME NOT ACCESSIBLE: %s" % error)
-        return items
+        return []
     except:
         warn("BLOCK NOT ACCESSIBLE FOR UNKNOWN REASONS")
-        return items
+        return []
 
     items = []
     shadowed = {}