patch 9.0.0785: memory leak with empty shell command

Problem:    Memory leak with empty shell command.
Solution:   Free the allocated memory when bailing out.
diff --git a/src/version.c b/src/version.c
index b912819..f3a7e29 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    785,
+/**/
     784,
 /**/
     783,