setupapi: Add support for specifying a fake dll source as '-' to delete it.

dlls/setupapi/fakedll.c

@@ -597,7 +597,13 @@ BOOL create_fake_dll( const WCHAR *name, const WCHAR *source )
     if (!(h = create_dest_file( name ))) return TRUE;  /* not a fake dll */
     if (h == INVALID_HANDLE_VALUE) return FALSE;
 
-    if ((buffer = load_fake_dll( source, &size )))
+    if (source[0] == '-' && !source[1])
+    {
+        /* '-' source means delete the file */
+        TRACE( "deleting %s\n", debugstr_w(name) );
+        ret = FALSE;
+    }
+    else if ((buffer = load_fake_dll( source, &size )))
     {
         DWORD written;
 

tools/wine.inf.in

@@ -2455,6 +2455,7 @@ HKLM,%CurrentVersion%\Telephony\Country List\998,"SameAreaRule",,"G"
 11,,dosx.exe
 11,,dsound.vxd
 11,,notepad.exe
+11,,winetest.exe,-
 11,,winhlp32.exe
 12,,mountmgr.sys
 16422,Internet Explorer,iexplore.exe