Added support for 64-bit format NT header and export/import tables.

diff --git a/tools/winebuild/parser.c b/tools/winebuild/parser.c
index aa548da..5c3e749 100644
--- a/tools/winebuild/parser.c
+++ b/tools/winebuild/parser.c
@@ -791,7 +791,7 @@
     else
     {
         odp->type = TYPE_STDCALL;
-        args /= sizeof(int);
+        args /= get_ptr_size();
         if (args >= sizeof(odp->u.func.arg_types))
         {
             error( "Too many arguments in stdcall function '%s'\n", odp->name );