updated for version 7.4a.037

Problem:    Win32: When mouse is hidden and in the toolbar, moving it won't
            make it appear. (Sami Salonen)
Solution:   Add tabline_wndproc() and toolbar_wndproc(). (Ken Takata)

src/version.c

@@ -727,6 +727,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    37,
 /**/
     36,
 /**/