!3 correct source

From: @xinghe_1
Reviewed-by: @SuperSix173
Signed-off-by: @SuperSix173

libthai.spec

@@ -1,10 +1,10 @@
 Name: libthai
 Version: 0.1.28
-Release: 3
+Release: 4
 Summary: Libaray for Thai language
 License: LGPLv2+
 URL: http://linux.thai.net
-Source: ftp://linux.thai.net/pub/thailinux/software/libthai/libthai-%{version}.tar.xz
+Source: https://linux.thai.net/pub/thailinux/software/libthai/libthai-%{version}.tar.xz
 
 BuildRequires: gcc
 BuildRequires: pkgconfig(datrie-0.2)
@@ -70,6 +70,9 @@ rm $RPM_BUILD_ROOT%{_libdir}/*.la
 %{_libdir}/libthai.a
 
 %changelog
+* Thu Dec 17 2020 xinghe <xinghe1@huawei.com> -0.1.28-4
+- correct source
+
 * Fri Jan 10 2020 wuxu_wu <wuxu.wu@huawei.com> -0.1.28-3
 - delte useless patch from package