patch 9.0.0988: using feedkeys() does not show up in a channel log

Problem:    Using feedkeys() does not show up in a channel log.
Solution:   Add ch_log() calls and clean up the code.
diff --git a/src/version.c b/src/version.c
index 93e35f6..4cb746e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    988,
+/**/
     987,
 /**/
     986,