Use sys/sysmacros.h, if available, for minor() and major()

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

configure.ac

@@ -33,7 +33,7 @@ AC_PROG_MKDIR_P
 
 # Configuration.
 AC_HEADER_STDC
-AC_CHECK_HEADERS([termios.h sys/ioctl.h mntent.h])
+AC_CHECK_HEADERS([termios.h sys/ioctl.h mntent.h sys/sysmacros.h])
 AC_CHECK_FUNCS([strstr getopt getmntent])
 
 # Check for uint[8,16,32]_t

src/finit.c

@@ -35,6 +35,9 @@
 #include <sys/mount.h>
 #include <sys/stat.h>		/* umask(), mkdir() */
 #include <sys/wait.h>
+#ifdef HAVE_SYS_SYSMACROS_H
+#include <sys/sysmacros.h>
+#endif
 #ifdef _LIBITE_LITE
 # include <libite/lite.h>
 #else