style fix: position of an opening curly brace

src/lib/config/module_spec.cc

@@ -185,7 +185,8 @@ ModuleSpec::validate_config(ConstElementPtr data, const bool full) const {
 bool
 ModuleSpec::validate_command(const std::string& command,
                              ConstElementPtr args,
-                             ElementPtr errors) {
+                             ElementPtr errors)
+{
     ConstElementPtr commands_spec = module_specification->find("commands");
 
     if (args->getType() != Element::map) {