updated for version 7.4.581
Problem:    Compiler warnings for unitinialized variables. (John Little)
Solution:   Initialize the variables.
diff --git a/src/version.c b/src/version.c
index cdde7ca..4e8559c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    581,
+/**/
     580,
 /**/
     579,