Really free the memory on dll unload.

diff --git a/loader/module.c b/loader/module.c
index a549c5c..68d0cbe 100644
--- a/loader/module.c
+++ b/loader/module.c
@@ -1519,8 +1519,8 @@
 			MODULE_modref_list = wm->next;
 
                 TRACE(" unloading %s\n", wm->filename);
-                VirtualFree( (LPVOID)wm->module, 0, MEM_RELEASE );
                 if (wm->dlhandle) wine_dll_unload( wm->dlhandle );
+                else UnmapViewOfFile( (LPVOID)wm->module );
                 FreeLibrary16(wm->hDummyMod);
                 HeapFree( GetProcessHeap(), 0, wm->deps );
                 HeapFree( GetProcessHeap(), 0, wm->filename );