test/encode/avcenc: rename swap32() to va_swap32().
test/encode/avcenc: rename swap32() to va_swap32().

Signed-off-by: Haitao Huang <0a39d43a060f76ee0ffa32b671f39ef2463125e8@intel.com>

01org/libva-cros,01org/iotg-lin-gfx-libva,chenxianqin/vaapi-libva,chenxianqin/vaapi-libva,gbeauchesne/libva,zzhhui/libva,chenxianqin/vaapi-libva,gbeauchesne/libva,zzhhui/libva,01org/libva-cros,Distrotech/libva,pma1/libva,pma1/libva,gbeauchesne/libva,01org/iotg-lin-gfx-libva,01org/libva-cros,pma1/libva,zzhhui/libva,Distrotech/libva,01org/iotg-lin-gfx-libva,Distrotech/libva