Fixed a copy-paste typo with stmtPostEdit -> stmtCategoryEdit.

pkg/mindflow/database/sqlite/db.go

@@ -266,7 +266,7 @@ func (s *SQLiteMindflow) EditCategory(category *mindflow.Category) error {
 	}
 	defer tx.Rollback()
 
-	_, err = tx.Stmt(stmtPostEdit).Exec(category.Name, category.ID)
+	_, err = tx.Stmt(stmtCategoryEdit).Exec(category.Name, category.ID)
 	if err != nil {
 		return err
 	}