swapon.2: SYNOPSIS: Fix includes

There seems to be no reason to include <unistd.h>.
<sys/swap.h> already provides both the function prototypes and the
SWAP_* constants.

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/swapon.2 b/man2/swapon.2
index cebeb3cdb7e0ca4a59db5366d009b84d04a734da..07d5fe86c6bb863806d88c2b1c672e505d2f191d 100644 (file)
--- a/man2/swapon.2
+++ b/man2/swapon.2
@@ -44,7 +44,6 @@
 swapon, swapoff \- start/stop swapping to file/device
 .SH SYNOPSIS
 .nf
-.B #include <unistd.h>
 .B #include <sys/swap.h>
 .PP
 .BI "int swapon(const char *" path ", int " swapflags );