bug#35062: [PATCH v3 1/3] Remove redundant comparison

[Eli Zaretskii]

> From: Konstantin Kharlamov <Hi-Angel@yandex.ru>
> Date: Sun,  7 Apr 2019 05:13:29 +0300
> 
> * src/xterm.c (x_set_frame_alpha): due to preceding checks it is bound
> to be 0 ≤ alpha ≤ 1. (Bug#35062)
> ---
> v3: mention functions changed in commit messages, mention the bug
> number, and don't mention that it fixes a warning since intention  of
> changes is clear either way.

Thanks, I pushed a slightly different change along the same lines.

A minor nit: please avoid using non-ASCII characters in log entries,
if that can be avoided, to cater to terminals that don't support UTF-8
(the character you used is not in Latin-1).