patch 8.0.0779: :term without an argument uses empty buffer name

Problem:    :term without an argument uses empty buffer name but runs the
            snell.
Solution:   Change the command to the shell earlier.
diff --git a/src/terminal.c b/src/terminal.c
index e4e9cec..0532d01 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -199,6 +199,9 @@
     term->tl_next = first_term;
     first_term = term;
 
+    if (cmd == NULL || *cmd == NUL)
+	cmd = p_sh;
+
     if (buflist_findname(cmd) == NULL)
 	curbuf->b_ffname = vim_strsave(cmd);
     else
@@ -227,9 +230,6 @@
 
     set_term_and_win_size(term);
 
-    if (cmd == NULL || *cmd == NUL)
-	cmd = p_sh;
-
     /* System dependent: setup the vterm and start the job in it. */
     if (term_and_job_init(term, term->tl_rows, term->tl_cols, cmd) == OK)
     {
diff --git a/src/version.c b/src/version.c
index 051f75f..1654ee3 100644
--- a/src/version.c
+++ b/src/version.c
@@ -770,6 +770,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    779,
+/**/
     778,
 /**/
     777,