Fix clang style

Author: TGWDB

src/ansi-c/c_typecheck_expr.cpp

@@ -2877,10 +2877,9 @@ exprt c_typecheck_baset::do_special_functions(
     {
       // Can't enum range check a non-enum
       std::ostringstream error_message;
-      error_message << expr.source_location().as_string() << ": "
-                    << identifier << " expects enum, but ("
-                    << expr2c(arg1, *this) << ") has type `"
-                    << type2c(arg1.type(), *this) << '`';
+      error_message << expr.source_location().as_string() << ": " << identifier
+                    << " expects enum, but (" << expr2c(arg1, *this)
+                    << ") has type `" << type2c(arg1.type(), *this) << '`';
       throw invalid_source_file_exceptiont{error_message.str()};
     }
   }