updated for version 7.4.297
Problem:    Memory leak from result of get_isolated_shell_name().
Solution:   Free the memory. (Dominique Pelle)
diff --git a/src/version.c b/src/version.c
index 93d2130..40e967d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -735,6 +735,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    297,
+/**/
     296,
 /**/
     295,