MFH: r523385

multimedia/libva-utils: unbreak X11=off after r520942

../videoprocess/vppscaling_n_out_usrptr.cpp:41:10: fatal error: 'va/va_x11.h' file not found
#include <va/va_x11.h>

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

PR: 243418
Reported by: Igor Pavlov
Approved by: ports-secteam blanket