patch 7.4.1576

Problem:    Write error of viminfo file is not handled properly. (Christian
            Neukirchen)
Solution:   Check the return value of fclose(). (closes #682)

src/version.c

@@ -743,6 +743,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1576,
 /**/
     1575,
 /**/