Fixed CompileMappingForEach

Author: rjperes

src/NHibernate/Mapping/ByCode/ModelMapper.cs

@@ -582,15 +582,16 @@ public IEnumerable<HbmMapping> CompileMappingForEach(IEnumerable<System.Type> ty
 			}
 			var typeToMap = new HashSet<System.Type>(types);
 
+			//NH-2831: always use the full name of the assembly because it may come from GAC
 			foreach (System.Type type in RootClasses(typeToMap))
 			{
-				var mapping = NewHbmMapping(type.Assembly.GetName().Name, type.Namespace);
+				var mapping = NewHbmMapping(type.Assembly.GetName().FullName, type.Namespace);
 				MapRootClass(type, mapping);
 				yield return mapping;
 			}
 			foreach (System.Type type in Subclasses(typeToMap))
 			{
-				var mapping = NewHbmMapping(type.Assembly.GetName().Name, type.Namespace);
+				var mapping = NewHbmMapping(type.Assembly.GetName().FullName, type.Namespace);
 				AddSubclassMapping(mapping, type);
 				yield return mapping;
 			}