lib-settings: Parse block names {} case-insensitively. This fixes namespace { mailbox foo { .. } } settings when they go through environment and get uppercased.
lib-settings: Parse block names {} case-insensitively.
This fixes namespace { mailbox foo { .. } } settings when they go through
environment and get uppercased.

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot