MFH: r446139

graphics/vapoursynth-fmtconv: disable on non-x86

../../src/fmtcl/MatrixProc.cpp:362:18: error: out-of-line definition of 'setup_fnc_sse' does not match any declaration in 'fmtcl::MatrixProc'
void MatrixProc::setup_fnc_sse (bool int_proc_flag, SplFmt src_fmt, int src_bits, SplFmt dst_fmt, int dst_bits, bool single_plane_flag)

^~~~~~~~~~~~~

../../src/fmtcl/MatrixProc.cpp:368:17: error: no member named 'process_1_flt_sse' in 'fmtcl::MatrixProc'; did you mean '::fmtcl::MatrixProc::process_1_flt_cpp'?

_proc_ptr = &ThisType::process_1_flt_sse;
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~

Reported by: pkg-fallout (aarch64)
Approved by: ports-secteam blanket