Fixed a bug in the getting of the root base method: the bases after the first one were ignored.

Signed-off-by: Dimitar Dobrev <dpldobrev@yahoo.com>

src/AST/Class.cs

@@ -215,14 +215,15 @@ namespace CppSharp.AST
                             method.Parameters.SequenceEqual(@override.Parameters,
                                                             new ParameterTypeComparer())
                         select method).FirstOrDefault()
-                    let rootBaseMethod = @base.Class.GetRootBaseMethod(@override)
-                    select rootBaseMethod ?? baseMethod).FirstOrDefault();
+                    let rootBaseMethod = @base.Class.GetRootBaseMethod(@override) ?? baseMethod
+                    where rootBaseMethod != null
+                    select rootBaseMethod).FirstOrDefault();
         }
 
         public Property GetRootBaseProperty(Property @override)
         {
             return (from @base in Bases
-                    let baseMethod = (
+                    let baseProperty = (
                         from property in @base.Class.Properties
                         where
                             property.Name == @override.Name &&
@@ -230,8 +231,9 @@ namespace CppSharp.AST
                             property.Parameters.SequenceEqual(@override.Parameters,
                                                             new ParameterTypeComparer())
                         select property).FirstOrDefault()
-                    let rootBaseMethod = @base.Class.GetRootBaseProperty(@override)
-                    select rootBaseMethod ?? baseMethod).FirstOrDefault();
+                    let rootBaseProperty = @base.Class.GetRootBaseProperty(@override) ?? baseProperty
+                    where rootBaseProperty != null
+                    select rootBaseProperty).FirstOrDefault();
         }
 
         public override T Visit<T>(IDeclVisitor<T> visitor)