change source0 to upstream download url

Signed-off-by: Toshaan Bharvani <toshaan@powerel.org>

SPECS/xterm.spec

@@ -14,8 +14,8 @@ BuildRequires: libxkbfile-devel pcre2-devel pkgconfig(libpcre2-posix)
 Requires: xterm-resize = %{version}-%{release}
 Recommends: xorg-x11-fonts-misc
 
-Source0: ftp://ftp.invisible-island.net/xterm/%{name}-%{version}.tgz
-Source1: ftp://ftp.invisible-island.net/xterm/16colors.txt
+Source0: http://ftp.invisible-island.net/archives/xterm/xterm-%{version}.tgz
+Source1: 16colors.txt
 
 Patch1: xterm-defaults.patch
 Patch2: xterm-desktop.patch