git: e0baedabf4e1 - main - www/firefox-esr: Unbreak build with Rust 1.56.0

The branch main has been updated by tobik:

URL: https://cgit.FreeBSD.org/ports/commit/?id=e0baedabf4e1cc6be9ece63dc78b1f43fd2bda78

commit e0baedabf4e1cc6be9ece63dc78b1f43fd2bda78
Author:     Tobias Kortkamp <tobik@FreeBSD.org>
AuthorDate: 2021-10-21 12:43:31 +0000
Commit:     Tobias Kortkamp <tobik@FreeBSD.org>
CommitDate: 2021-10-25 08:49:19 +0000

    www/firefox-esr: Unbreak build with Rust 1.56.0
    
    error[E0557]: feature has been removed
       --> /wrkdirs/usr/ports/www/firefox-esr/work/firefox-78.15.0/third_party/rust/packed_simd/src/lib.rs:202:41
        |
    202 | #![cfg_attr(use_const_generics, feature(const_generics))]
        |                                         ^^^^^^^^^^^^^^ feature has been removed
        |
        = note: removed in favor of `#![feature(adt_const_params]` and `#![feature(generic_const_exprs)]`
    
    http://package18.nyi.freebsd.org/data/122amd64-default-foo/2021-10-19_17h56m28s/logs/errors/firefox-esr-78.15.0_2,1.log
    
    PR:             259251
---
 www/firefox-esr/files/patch-rust-1.56.0 | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/www/firefox-esr/files/patch-rust-1.56.0 b/www/firefox-esr/files/patch-rust-1.56.0
new file mode 100644
index 000000000000..ee6c90c02c69
--- /dev/null
+++ b/www/firefox-esr/files/patch-rust-1.56.0
@@ -0,0 +1,21 @@
+error[E0557]: feature has been removed
+   --> /wrkdirs/usr/ports/www/firefox-esr/work/firefox-78.15.0/third_party/rust/packed_simd/src/lib.rs:202:41
+    |
+202 | #![cfg_attr(use_const_generics, feature(const_generics))]
+    |                                         ^^^^^^^^^^^^^^ feature has been removed
+    |
+    = note: removed in favor of `#![feature(adt_const_params]` and `#![feature(generic_const_exprs)]`
+
+https://github.com/rust-lang/packed_simd/commit/45d5347a0d2187c046a546a477d2a53111cd7713
+
+--- third_party/rust/packed_simd/src/lib.rs.orig	2021-10-21 12:39:34 UTC
++++ third_party/rust/packed_simd/src/lib.rs
+@@ -199,7 +199,7 @@
+ //!   Numeric casts are not very "precise": sometimes lossy, sometimes value
+ //!   preserving, etc.
+ 
+-#![cfg_attr(use_const_generics, feature(const_generics))]
++#![cfg_attr(use_const_generics, feature(adt_const_params))]
+ #![cfg_attr(use_const_generics, allow(incomplete_features, clippy::from_over_into))]
+ #![feature(
+     repr_simd,