patch 8.0.1828: get no clue why :gui does not fork

Problem:    Get no clue why :gui does not fork.
Solution:   Add a channel log message.
diff --git a/src/channel.c b/src/channel.c
index 9023808..504d6b6 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -5144,7 +5144,10 @@
 
     for (job = first_job; job != NULL; job = job->jv_next)
 	if (job_still_useful(job))
+	{
+	    ch_log(NULL, "GUI not forking because a job is running");
 	    return TRUE;
+	}
     return FALSE;
 }
 #endif
diff --git a/src/version.c b/src/version.c
index 1589ed9..3271b64 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1828,
+/**/
     1827,
 /**/
     1826,