!47 add require of help to fix empty symlink

From: @sherlock2010 
Reviewed-by: @zengwefeng 
Signed-off-by: @zengwefeng

postfix.spec

@@ -23,7 +23,7 @@
 Name:           postfix
 Summary:        Postfix Mail Transport Agent
 Version:        3.3.1
-Release:        14
+Release:        15
 Epoch:          2
 URL:            http://www.postfix.org
 License:        (IBM and GPLv2+) or (EPL-2.0 and GPLv2+)
@@ -53,7 +53,7 @@ Requires(post): systemd-sysv %{_sbindir}/alternatives %{_bindir}/openssl
 Requires(pre):  %{_sbindir}/groupadd %{_sbindir}/useradd
 Requires(preun): %{_sbindir}/alternatives
 %{?systemd_requires}
-Requires: diffutils
+Requires: diffutils %{name}-help
 
 Provides:       MTA smtpd smtpdaemon server(smtp)
 Provides:       %{name}-mysql %{name}-sqlite %{name}-ldap %{name}-pcre
@@ -566,6 +566,12 @@ fi
 %{postfix_doc_dir}/README_FILES/*
 
 %changelog
+* Wed Jun 14 2023 zhouyihang <zhouyihang3@h-partners.com> - 2:3.3.1-15
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:add require of help to fix empty symlink
+
 * Fri Mar 10 2023 gaihuiying <eaglegai@163.com> - 2:3.3.1-14
 - Type:bugfix
 - ID:NA