journalctl: fix --no-tail handling

Fixes a bug introduced by 62f21ec.

(cherry picked from commit 3f2203f)

Author: yuwata

src/journal/journalctl.c

@@ -1035,7 +1035,10 @@ static int parse_argv(int argc, char *argv[]) {
                         assert_not_reached();
                 }
 
-        if (arg_follow && !arg_no_tail && !arg_since_set && arg_lines == ARG_LINES_DEFAULT)
+        if (arg_no_tail)
+                arg_lines = ARG_LINES_ALL;
+
+        if (arg_follow && !arg_since_set && arg_lines == ARG_LINES_DEFAULT)
                 arg_lines = 10;
 
         if (arg_follow && !arg_merge && !arg_boot) {