x11-themes/fvwm-crystal: sys-devel/bc -> app-alternatives/bc

All of these will be using app-alternatives/bc anyway as they're not calling

bc-reference, so make the dep reflect reality.

Signed-off-by: Sam James <sam@gentoo.org>

x11-themes/fvwm-crystal/fvwm-crystal-3.7.5.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -26,7 +26,7 @@ RDEPEND="${PYTHON_DEPS}
 	app-alternatives/awk
 	media-sound/alsa-utils
 	sys-apps/sed
-	sys-devel/bc
+	app-alternatives/bc
 	virtual/imagemagick-tools
 	x11-apps/xwd
 	|| ( x11-misc/hsetroot media-gfx/feh )