patch 7.4.822
Problem:    More problems reported by coverity.
Solution:   Avoid the warnings. (Christian Brabandt)
diff --git a/src/ex_cmds2.c b/src/ex_cmds2.c
index 2763b69..eefd5d2 100644
--- a/src/ex_cmds2.c
+++ b/src/ex_cmds2.c
@@ -3051,7 +3051,7 @@
     {
 	int fdflags = fcntl(fd_tmp, F_GETFD);
 	if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0)
-	    fcntl(fd_tmp, F_SETFD, fdflags | FD_CLOEXEC);
+	    (void)fcntl(fd_tmp, F_SETFD, fdflags | FD_CLOEXEC);
     }
 # endif
 
@@ -3841,7 +3841,7 @@
     {
 	/* Grow the array before starting the timer, so that the time spent
 	 * here isn't counted. */
-	ga_grow(&si->sn_prl_ga, (int)(sourcing_lnum - si->sn_prl_ga.ga_len));
+	(void)ga_grow(&si->sn_prl_ga, (int)(sourcing_lnum - si->sn_prl_ga.ga_len));
 	si->sn_prl_idx = sourcing_lnum - 1;
 	while (si->sn_prl_ga.ga_len <= si->sn_prl_idx
 		&& si->sn_prl_ga.ga_len < si->sn_prl_ga.ga_maxlen)