diff --git a/src/channel.c b/src/channel.c
index d621798..811d87a 100644
--- a/src/channel.c
+++ b/src/channel.c
@@ -465,7 +465,7 @@
 	val = 0;
 	ioctlsocket(sd, FIONBIO, &val);
 #else
-	fcntl(sd, F_SETFL, 0);
+	(void)fcntl(sd, F_SETFL, 0);
 #endif
     }
 
@@ -1474,6 +1474,9 @@
     return ret;
 }
 
+/*
+ * Mark references to lists used in channels.
+ */
     int
 set_ref_in_channel(int copyID)
 {
diff --git a/src/fileio.c b/src/fileio.c
index ecec757..f0ef675 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -2350,7 +2350,7 @@
     {
 	int fdflags = fcntl(fd, F_GETFD);
 	if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0)
-	    fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC);
+	    (void)fcntl(fd, F_SETFD, fdflags | FD_CLOEXEC);
     }
 #endif
     vim_free(buffer);
diff --git a/src/memfile.c b/src/memfile.c
index 4db84df..56719ee 100644
--- a/src/memfile.c
+++ b/src/memfile.c
@@ -1312,7 +1312,7 @@
 #ifdef HAVE_FD_CLOEXEC
 	int fdflags = fcntl(mfp->mf_fd, F_GETFD);
 	if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0)
-	    fcntl(mfp->mf_fd, F_SETFD, fdflags | FD_CLOEXEC);
+	    (void)fcntl(mfp->mf_fd, F_SETFD, fdflags | FD_CLOEXEC);
 #endif
 #if defined(HAVE_SELINUX) || defined(HAVE_SMACK)
 	mch_copy_sec(fname, mfp->mf_fname);
diff --git a/src/memline.c b/src/memline.c
index 969e1e2..1cb1bb0 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -728,7 +728,7 @@
 	{
 	    int fdflags = fcntl(mfp->mf_fd, F_GETFD);
 	    if (fdflags >= 0 && (fdflags & FD_CLOEXEC) == 0)
-		fcntl(mfp->mf_fd, F_SETFD, fdflags | FD_CLOEXEC);
+		(void)fcntl(mfp->mf_fd, F_SETFD, fdflags | FD_CLOEXEC);
 	}
 #endif
     }
diff --git a/src/version.c b/src/version.c
index a3c27cd..6e55388 100644
--- a/src/version.c
+++ b/src/version.c
@@ -748,6 +748,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1276,
+/**/
     1275,
 /**/
     1274,