Fix to return on redirect

nftables/clear_table.cgi

@@ -27,6 +27,7 @@ if ($in{'confirm'}) {
 	webmin_log("clear", "table", $table->{'name'},
 		   { 'family' => $table->{'family'} });
 	redirect("active.cgi");
+	return;
 	}
 
 ui_print_header(undef, $text{'clear_title'}, "", "intro", 1, 1);

nftables/create_table.cgi

@@ -47,6 +47,7 @@ if ($in{'create'}) {
 
     redirect("index.cgi?table_family=".urlize($family).
              "&table_name=".urlize($name));
+    return;
 }
 
 ui_print_header(undef, $text{'create_title'}, "", "intro", 1, 1);

nftables/delete_table.cgi

@@ -37,6 +37,7 @@ if ($in{'confirm'}) {
     webmin_log("delete", "table", $table->{'name'},
                 { 'family' => $table->{'family'} });
     redirect("index.cgi");
+    return;
 }
 
 ui_print_header(undef, $text{'delete_title'}, "", "intro", 1, 1);

nftables/import_table.cgi

@@ -57,6 +57,7 @@ if ($in{'import'}) {
 			{ 'family' => $source->{'family'}, 'new' => $name });
 	redirect("index.cgi?table_family=".urlize($source->{'family'}).
 		 "&table_name=".urlize($name));
+	return;
 }
 
 ui_print_header(undef, $text{'import_title'}, "", "intro", 1, 1);

nftables/save_chain.cgi

@@ -38,6 +38,7 @@ if ($is_new) {
 if ($is_rename) {
     if ($name eq $old) {
         redirect("index.cgi?table=$in{'table'}");
+        return;
     }
     if ($name ne $old) {
         $table->{'chains'}->{$name} = $table->{'chains'}->{$old};
@@ -65,6 +66,7 @@ if ($is_rename) {
                   'table' => $table->{'name'},
                   'family' => $table->{'family'} });
     redirect("index.cgi?table=$in{'table'}");
+    return;
 }
 
 my $type = $in{'chain_type'};

nftables/setup.cgi

@@ -44,6 +44,7 @@ if ($in{'action'} eq 'create') {
 	webmin_log("setup", "create", $profile,
 		   { 'family' => 'inet', 'table' => $table_name });
 	redirect("index.cgi?table_family=inet&table_name=".urlize($table_name));
+	return;
 	}
 
 ui_print_header(undef, $text{'setup_title'}, "", "intro", 1, 1);