patch 8.0.0347: when using completion comment leader wont work

Problem:    When using CTRL-X CTRL-U inside a comment, the use of the comment
            leader may not work. (Klement)
Solution:   Save and restore did_ai. (Christian Brabandt, closes #1494)
diff --git a/src/version.c b/src/version.c
index 1d23935..2a54dc9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    347,
+/**/
     346,
 /**/
     345,