patch 9.0.0979: ch_log() text can be hard to find in the log file

Problem:    ch_log() text can be hard to find in the log file.
Solution:   Prepend "ch_log()" to the text.
diff --git a/src/version.c b/src/version.c
index 537f6aa..a04419a 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    979,
+/**/
     978,
 /**/
     977,