yambar: fix launching with --backend=wayland.

Fixes: #32248.

srcpkgs/yambar/patches/0001-bar-fix-typo.patch

@@ -0,0 +1,27 @@
+From 7d94631991a5d530884664705341a4410ff45f74 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=89rico=20Nogueira?= <erico.erc@gmail.com>
+Date: Thu, 29 Jul 2021 15:57:00 -0300
+Subject: [PATCH] bar: fix typo.
+
+Running 'yambar --backend=wayland' would always error out saying it was
+built without wayland support.
+---
+ bar/bar.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/bar/bar.c b/bar/bar.c
+index 4829162..c7b1ea5 100644
+--- a/bar/bar.c
++++ b/bar/bar.c
+@@ -399,7 +399,7 @@ bar_new(const struct bar_config *config)
+         break;
+ 
+     case BAR_BACKEND_WAYLAND:
+-#if defined(BAR_WAYLAND)
++#if defined(ENABLE_WAYLAND)
+         backend_data = bar_backend_wayland_new();
+         backend_iface = &wayland_backend_iface;
+ #else
+-- 
+2.32.0
+

srcpkgs/yambar/template

@@ -1,7 +1,7 @@
 # Template file for 'yambar'
 pkgname=yambar
 version=1.6.2
-revision=1
+revision=2
 wrksrc=$pkgname
 build_style=meson
 hostmakedepends="pkg-config scdoc wayland-devel"