patch 8.0.1798: MS-Windows: file considered read-only too often

Problem:    MS-Windows: file considered read-only when another program has
            opened it.
Solution:   Pass file sharing flag to CreateFile(). (Linwei, closes #2860)

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1798,
 /**/
     1797,
 /**/