[syslinux-iso] Add rsync to live-enviroment

Requested at FS#21040
Signed-off-by: Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>

configs/syslinux-iso/packages.i686

@@ -30,6 +30,7 @@ openssh
 openvpn
 parted
 pptpclient
+rsync
 speedtouch
 squashfs-tools
 syslinux

configs/syslinux-iso/packages.x86_64

@@ -30,6 +30,7 @@ openssh
 openvpn
 parted
 pptpclient
+rsync
 speedtouch
 squashfs-tools
 syslinux