doc: fix heading in cpp style guide

Names of c-like structs do not have to end with an underscore.

PR-URL: https://github.com/nodejs/node/pull/25303
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
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Kazushi Kitaya 2019-01-02 00:05:59 +09:00 committed by Anna Henningsen
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@ -13,7 +13,7 @@
* [CamelCase for methods, functions, and classes](#camelcase-for-methods-functions-and-classes)
* [snake\_case for local variables and parameters](#snake_case-for-local-variables-and-parameters)
* [snake\_case\_ for private class fields](#snake_case_-for-private-class-fields)
* [snake\_case\_ for C-like structs](#snake_case_-for-c-like-structs)
* [snake\_case for C-like structs](#snake_case-for-c-like-structs)
* [Space after `template`](#space-after-template)
* [Memory Management](#memory-management)
* [Memory allocation](#memory-allocation)
@ -169,7 +169,7 @@ class Foo {
};
```
### snake\_case\_ for C-like structs
### snake\_case for C-like structs
For plain C-like structs snake_case can be used.
```c++