!14 Fix gcc12 compilation issues

From: @XWwalker 
Reviewed-by: @t_feng 
Signed-off-by: @t_feng

ypserv.spec

@@ -1,6 +1,6 @@
 Name:		ypserv
 Version:	4.2
-Release:	2
+Release:	3
 Summary:	The NIS server
 License:	GPLv2
 URL:		https://github.com/thkukuk/ypserv
@@ -56,6 +56,8 @@ export CFLAGS="$RPM_OPT_FLAGS -fpic"
     export CFLAGS="$CFLAGS -Wno-error=strict-prototypes"
 %endif
 
+export CFLAGS="$CFLAGS -Wno-format-overflow"
+
 %configure --enable-checkroot --enable-fqdn --libexecdir=%{_libdir}/yp \
            --with-dbmliborder=tokyocabinet --localstatedir=%{_localstatedir} --with-selinux
 %make_build
@@ -109,6 +111,12 @@ install -m 644 etc/ypserv.conf %{buildroot}/%{_sysconfdir}
 %{_mandir}/*/*
 
 %changelog
+* Fri Jun 30 2023 xingwei <xingwei14@h-partners.com> - 4.2-3
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:Fix gcc12 compilation issues
+
 * Thu Apr 20 2023 jammyjellyfish <jammyjellyfish255@outlook.com> - 4.2-2
 - Type:requirement
 - ID:NA