patch 7.4.1393

Problem:    Starting a job hangs in the GUI. (Takuya Fujiwara)
Solution:   Don't check if ch_job is NULL when checking for an error.
            (Yasuhiro Matsumoto)

src/version.c

@@ -748,6 +748,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1393,
 /**/
     1392,
 /**/