[libgtop] Don't include sys/pipe.h on kFreeBSD Defining _KERNEL to include sys/pipe.h subsequently breaks sys

[Robert Roth <robertroth src gnome org>]

commit d9c01aac4a68357d48bfd03f8146b1ff1f8f5780
Author: Steven Chamberlain <steven pyro eu org>
Date:   Tue Apr 29 00:30:07 2014 +0300

    Don't include sys/pipe.h on kFreeBSD
     Defining _KERNEL to include sys/pipe.h subsequently breaks sys/conf.h;
     since sys/pipe.h is not meant to be used in userland, and libgtop2 builds
     anyway on kFreeBSD without it, don't include it.
    https://bugzilla.gnome.org/show_bug.cgi?id=674067

 sysdeps/freebsd/procmap.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/sysdeps/freebsd/procmap.c b/sysdeps/freebsd/procmap.c
index c7ed539..88bd26b 100644
--- a/sysdeps/freebsd/procmap.c
+++ b/sysdeps/freebsd/procmap.c
@@ -38,10 +38,7 @@
 #include <sys/vnode.h>
 #undef _KVM_VNODE
 
-#define _KERNEL
-#include <sys/pipe.h>
 #include <sys/conf.h>
-#undef _KERNEL
 #if (__FreeBSD_version >= 800038) || (__FreeBSD_kernel_version >= 800038)
 #define _WANT_FILE
 #include <sys/file.h>