consistent error types

lib/IdPAccountManager/WebRequest.pm

@@ -314,7 +314,7 @@ sub req_generate_token {
     }
 
     unless ($self->{in}->{email_address}) {
-        push @{ $self->{out}->{errors} }, "email_address";
+        push @{ $self->{out}->{errors} }, "missing_email_address";
         $self->{logger}->error("Missing parameter email_address");
         return undef;
     }
@@ -440,8 +440,7 @@ sub req_validate_token {
     }
 
     unless ($self->{in}->{authentication_token}) {
-        push @{ $self->{out}->{errors} },
-          "missing_authentication_token";
+        push @{ $self->{out}->{errors} }, "missing_authentication_token";
         $self->{logger}->error("Missing parameter authentication_token");
         return undef;
     }