Fix for GitHub issue #224 - import * does not import enum members.

(cherry picked from commit e745304cc4)

pform_package.cc

@@ -153,6 +153,11 @@ void pform_package_import(const struct vlltype&, PPackage*pkg, const char*ident)
 
 		  scope->imports[cur->first] = pkg;
 	    }
+
+            for (set<enum_type_t*>::const_iterator cur = pkg->enum_sets.begin()
+		       ; cur != pkg->enum_sets.end() ; ++ cur) {
+                  scope->enum_sets.insert(*cur);
+            }
       }
 }