updated for version 7.4.606
Problem:    May crash when using a small window.
Solution:   Avoid dividing by zero. (Christian Brabandt)
diff --git a/src/version.c b/src/version.c
index 17e442f..72d85b6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    606,
+/**/
     605,
 /**/
     604,