!5 fix uninstall error

From: @lwg99 
Reviewed-by: @open-bot 
Signed-off-by: @open-bot

zvbi.spec

@@ -1,6 +1,6 @@
 Name:               zvbi
 Version:            0.2.42
-Release:            1
+Release:            2
 Summary:            A library provides functions to capture and decode VBI data
 License:            LGPLv2+ and GPLv2+ and BSD
 URL:                https://github.com/zapping-vbi/zvbi
@@ -13,9 +13,9 @@ BuildRequires:      gcc-c++ doxygen fontconfig gettext >= 0.21.0 libpng-devel
 BuildRequires:      libICE-devel xorg-x11-font-utils systemd-units
 BuildRequires:      autoconf automake libtool gettext-devel
 
-Requires(post):     systemd-units fontconfig
+Requires(post):     systemd-units
 Requires(preun):    systemd-units
-Requires(postun):   systemd-units fontconfig
+Requires(postun):   systemd-units
 
 provides:           %{name}-fonts = %{version}-%{release}
 Obsoletes:          %{name}-fonts < %{version}-%{release}
@@ -135,6 +135,9 @@ fi
 %{_mandir}/man1/*
 
 %changelog
+* Fri Nov 24 2023 lwg <weigangli99@gmail.com> - 0.2.42-2
+- fix uninstall error
+
 * Mon Sep 04 2023 yaoxin <yao_xin001@hoperun.com> - 0.2.42-1
 - Update to 0.2.42