Add PrimaryGroup support to NtQueryInformationToken

[Evan Deaubl]

ChangeLog:
 * Added support for querying the primary group to NtQueryInformationToken

diff -urN wine-20040813.orig/dlls/ntdll/nt.c 
wine-20040813.patched/dlls/ntdll/nt.c
--- wine-20040813.orig/dlls/ntdll/nt.c  2004-08-24 11:17:34.000000000 -0700
+++ wine-20040813.patched/dlls/ntdll/nt.c       2004-08-24 
12:11:38.835434800 -0700
@@ -275,6 +275,21 @@
             owner->Owner = sid;
         }
         break;
+    case TokenPrimaryGroup:
+        if (tokeninfo)
+        {
+            TOKEN_PRIMARY_GROUP *tprimarygroup = tokeninfo;
+            SID_IDENTIFIER_AUTHORITY sid = {SECURITY_NT_AUTHORITY};
+
+            /* we need to show admin privileges ! */
+            RtlAllocateAndInitializeSid( &sid,
+                                         2,
+                                         SECURITY_BUILTIN_DOMAIN_RID,
+                                         DOMAIN_ALIAS_RID_ADMINS,
+                                         0, 0, 0, 0, 0, 0,
+                                         &(tprimarygroup->PrimaryGroup));
+        }
+        break;
     default:
         {
             ERR("Unhandled Token Information class!\n");