patch 7.4.1276

Problem:    Warning for not using return value of fcntl().
Solution:   Explicitly ignore the return value.

Author: brammool

src/channel.c

@@ -465,7 +465,7 @@ channel_open(char *hostname, int port_in, int waittime, void (*close_cb)(void))
 	val = 0;
 	ioctlsocket(sd, FIONBIO, &val);
 #else
-	fcntl(sd, F_SETFL, 0);
+	(void)fcntl(sd, F_SETFL, 0);
 #endif
     }
 
@@ -1474,6 +1474,9 @@ channel_parse_messages(void)
     return ret;
 }
 
+/*
+ * Mark references to lists used in channels.
+ */
     int
 set_ref_in_channel(int copyID)
 {

src/fileio.c

@@ -2350,7 +2350,7 @@ readfile(
     {
 	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);

src/memfile.c

@@ -1312,7 +1312,7 @@ mf_do_open(
 #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);

src/memline.c

@@ -728,7 +728,7 @@ ml_setname(buf_T *buf)
 	{
 	    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
     }

src/version.c

@@ -747,6 +747,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1276,
 /**/
     1275,
 /**/