Incorrect Bash Syntax Highlighting

[alexr00]

The code with a problem is:

f() {
	declare a
}

g() {
declare a
}

It looks like:

It should look like:

Both declares should have the same color.

Scopes of first declare, on line 2:

support.function.builtin.shell
entity.name.command.shell
entity.name.function.call.shell
meta.statement.command.name.shell
meta.statement.command.shell
meta.statement.shell
meta.function.body.shell
meta.function.shell
source.shell

Scopes of the second declare on line 6:

storage.modifier.declare.shell
meta.expression.assignment.modified.shell
meta.statement.shell
meta.statement.shell
meta.function.body.shell
meta.function.shell
source.shell

Originally reported by @acathe in microsoft/vscode#236497