change entitygateway character access

src/entity/gateway/entitygateway.rs

@@ -26,11 +26,11 @@ pub trait EntityGateway {
         unimplemented!();
     }
 
-    fn new_character_by_user(&mut self, _user: &UserAccount) -> Character {
+    fn set_character(&mut self, _char: &Character) {
         unimplemented!();
     }
 
-    fn set_character(&mut self,  _char: &Character) {
+    fn new_character_by_user(&mut self, _user: &UserAccount) -> Character{
         unimplemented!();
     }