vf_d3d11vpp: rename ivctc to ivtc

This was a typo. Although this changes the user option name, this
filter, especially this option, is so niche that I fix it without a
deprecation period.

DOCS/interface-changes/vf-d3d11vpp-fix-ivctc-typo.txt

@@ -0,0 +1 @@
+rename `d3d11vpp=mode=ivctc` to `d3d11vpp=mode=ivtc`

DOCS/man/vf.rst

@@ -741,7 +741,7 @@ Available mpv-only filters are:
             NVIDIA RTX Super Resolution.
     ``interlaced-only=<yes|no>``
         If ``yes``, only deinterlace frames marked as interlaced (default: no).
-    ``mode=<blend|bob|adaptive|mocomp|ivctc|none>``
+    ``mode=<blend|bob|adaptive|mocomp|ivtc|none>``
         Tries to select a video processor with the given processing capability.
         If a video processor supports multiple capabilities, it is not clear
         which algorithm is actually selected. ``none`` always falls back. On

video/filter/vf_d3d11vpp.c

@@ -643,7 +643,7 @@ static const m_option_t vf_opts_fields[] = {
         {"bob", D3D11_VIDEO_PROCESSOR_PROCESSOR_CAPS_DEINTERLACE_BOB},
         {"adaptive", D3D11_VIDEO_PROCESSOR_PROCESSOR_CAPS_DEINTERLACE_ADAPTIVE},
         {"mocomp", D3D11_VIDEO_PROCESSOR_PROCESSOR_CAPS_DEINTERLACE_MOTION_COMPENSATION},
-        {"ivctc", D3D11_VIDEO_PROCESSOR_PROCESSOR_CAPS_INVERSE_TELECINE},
+        {"ivtc", D3D11_VIDEO_PROCESSOR_PROCESSOR_CAPS_INVERSE_TELECINE},
         {"none", 0})},
     {"parity", OPT_CHOICE(field_parity,
         {"tff", MP_FIELD_PARITY_TFF},