kcmp: Move kcmp.h into uapi

kcmp.h appears to be part of the API, it's documented in kcmp(2), and
the selftests/kcmp code uses it. So move it to uapi so it's actually
exported.
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
Acked-by: NCyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: NShuah Khan <shuahkh@osg.samsung.com>

include/uapi/linux/Kbuild

@@ -209,6 +209,7 @@ header-y += ivtvfb.h
 header-y += ixjuser.h
 header-y += jffs2.h
 header-y += joystick.h
+header-y += kcmp.h
 header-y += kd.h
 header-y += kdev_t.h
 header-y += kernel-page-flags.h

include/linux/kcmp.h → include/uapi/linux/kcmp.h

-#ifndef _LINUX_KCMP_H
-#define _LINUX_KCMP_H
+#ifndef _UAPI_LINUX_KCMP_H
+#define _UAPI_LINUX_KCMP_H
 
 /* Comparison type */
 enum kcmp_type {
@@ -14,4 +14,4 @@ enum kcmp_type {
 	KCMP_TYPES,
 };
 
-#endif /* _LINUX_KCMP_H */
+#endif /* _UAPI_LINUX_KCMP_H */