freerdp security update

2:2.11.7-9 - Lock appWindow to fix use-after-free in RAIL mode CVE-2026-25952 Resolves: RHEL-159850 2:2.11.7-8 - Fix double free in xfrailwindowcommon cleanup CVE-2026-26986 - Fix growth of preallocated buffers CVE-2026-27951 - Fix heap-buffer-overflow in bitmapcacheput CVE-2026-29775 - Add DSP...