Extra SWIOptions

Detail:
  Export Hdr:ATA if present.
Admin:
  Tagged as RISC_OSLib-5_86-1 since existing binaries unchanged.

SWIOptions,feb

@@ -18,6 +18,7 @@ Echo <32> ; Automatically generated file <Sys$Date> { > s.swioptions }
 
 IfThere Hdr:ADFS         Then Echo <32> GET Hdr:ADFS         { >> s.swioptions }
 IfThere Hdr:ATAPI        Then Echo <32> GET Hdr:ATAPI        { >> s.swioptions }
+IfThere Hdr:ATA          Then Echo <32> GET Hdr:ATA          { >> s.swioptions }
 IfThere Hdr:BlendTable   Then Echo <32> GET Hdr:BlendTable   { >> s.swioptions }
 IfThere Hdr:Buffer       Then Echo <32> GET Hdr:Buffer       { >> s.swioptions }
 IfThere Hdr:CDROM        Then Echo <32> GET Hdr:CDROM        { >> s.swioptions }