tosunits: xbios vsetrgb/vgetrgb - do not use Pascal open array style syntax in a C-style API, but C pointer-style

packages/tosunits/src/xbios.pas

@@ -687,8 +687,8 @@ function xbios_Vsetmode(modecode: smallint): smallint; syscall 14 88;
 function xbios_mon_type: smallint; syscall 14 89;
 procedure xbios_VsetSync(flag: smallint); syscall 14 90;
 function xbios_VgetSize(mode: smallint): LongInt; syscall 14 91;
-procedure xbios_VsetRGB(index, count: smallint; xrgbArray: Array of TRGB); syscall 14 93;
-procedure xbios_VgetRGB(index, count: smallint; var xrgbArray: Array of TRGB); syscall 14 94;
+procedure xbios_VsetRGB(index, count: smallint; xrgbArray: PRGB); syscall 14 93;
+procedure xbios_VgetRGB(index, count: smallint; xrgbArray: PRGB); syscall 14 94;
 function xbios_Validmode(mode: smallint): smallint; syscall 14 95;
 procedure xbios_Dsp_DoBlock(data_in: Pointer; size_in: LongInt; data_out: Pointer; size_out: LongInt); syscall 14 96;
 procedure xbios_Dsp_BlkHandShake(data_in: Pointer; size_in: LongInt; data_out: Pointer; size_out: LongInt); syscall 14 97;