Opening curly not recognized in lambda without space

[alexr00]

Checklist

• This problem exists even with the setting "C_Cpp.enhancedColorization": "Disabled"

If Disabling that^ makes the problem go away, then follow this to make an issue on the C++ extension:
https://github.com/microsoft/vscode-cpptools/issues/new/choose

The code with a problem is:

int main() {
	auto add = [&](int a, int b) -> int{
		return a + b;
	};
	return 0;
}

The opening curly doesn't get the punctuation.section.block.begin.bracket.curly.lambda.cpp unless you add a space before it.

It looks like:

It should look like:

add a space and it bacame normal

Originally from @leibidontknow in microsoft/vscode#305042