updated for version 7.4.568
Problem:    Giving an error for ":0wincmd w" is a problem for some plugins.
Solution:   Allow the zero in the range. (Marcin Szamotulski)
diff --git a/src/version.c b/src/version.c
index 8b3ecbe..4f9777f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    568,
+/**/
     567,
 /**/
     566,