AROS: Unit amigados, record field members update

Update some amigados unit record field members for AROS compatiblity.

These changes reflect the changes made in the doslib RTL (that were present in
the previous commit).

packages/arosunits/src/amigados.pas

@@ -640,8 +640,8 @@ type
     fh_Func3: PtrInt;
     fh_Arg1:  PtrInt;
     fh_Arg2: PtrInt;
-    fh_Size: ULONG; // Size of buffered io buffer
-    fh_Buf2: BPTR;  // Always the same as fh_Buf
+    fh_BufSize: ULONG; // Size of buffered io buffer
+    fh_OrigBuf: BPTR;  // Always the same as fh_Buf
   end;
 
 { This is the extension to EXEC Messages used by DOS }
@@ -865,12 +865,8 @@ type
     dvi_StackSize: LongInt;
     dvi_Priority: LongInt;
     dvi_Startup: BPTR;
-{$ifdef aros}
-    dvi_NoAROS4: array[0..1] of BPTR;
-{$else}
     dvi_SegList: BPTR;
-    dvi_GlobVec: BSTR;
-{$endif}
+    dvi_GlobalVec: BSTR;
     dvi_Name: BSTR;
   end;