Merge branch 'ew/fd-cloexec-fix' into maint

Portability/fallback fix.

* ew/fd-cloexec-fix:
  set FD_CLOEXEC properly when O_CLOEXEC is not supported

sha1_file.c

@@ -1684,14 +1684,14 @@ int git_open_cloexec(const char *name, int flags)
 		fd = open(name, flags | o_cloexec);
 	}
 
-#if defined(F_GETFL) && defined(F_SETFL) && defined(FD_CLOEXEC)
+#if defined(F_GETFD) && defined(F_SETFD) && defined(FD_CLOEXEC)
 	{
 		static int fd_cloexec = FD_CLOEXEC;
 
 		if (!o_cloexec && 0 <= fd && fd_cloexec) {
 			/* Opened w/o O_CLOEXEC?  try with fcntl(2) to add it */
-			int flags = fcntl(fd, F_GETFL);
-			if (fcntl(fd, F_SETFL, flags | fd_cloexec))
+			int flags = fcntl(fd, F_GETFD);
+			if (fcntl(fd, F_SETFD, flags | fd_cloexec))
 				fd_cloexec = 0;
 		}
 	}