vt: Remove vt_get_kmsg_redirect() from uapi header

vt_get_kmsg_redirect() only has meaning to the console driver as
an alias for calling vt_kmsg_redirect(). Move the macro definition
to the only source file which uses it; remove from uapi/linux/vt.h
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/vt/vt.c

@@ -2509,6 +2509,8 @@ int vt_kmsg_redirect(int new)
 		return kmsg_con;
 }
 
+#define vt_get_kmsg_redirect() vt_kmsg_redirect(-1)
+
 /*
  *	Console on virtual terminal
  *

include/uapi/linux/vt.h

@@ -84,7 +84,4 @@ struct vt_setactivate {
 
 #define VT_SETACTIVATE	0x560F	/* Activate and set the mode of a console */
 
-
-#define vt_get_kmsg_redirect() vt_kmsg_redirect(-1)
-
 #endif /* _UAPI_LINUX_VT_H */