Added check for <security/pam_misc.h>.

configure.ac

@@ -155,7 +155,8 @@ esac
 AC_PROG_INSTALL
 AC_CHECK_HEADERS([unistd.h string.h memory.h grp.h limits.h malloc.h \
 	stdlib.h termios.h utime.h fcntl.h pwd.h sys/statfs.h sys/time.h \
-	sys/timeb.h sys/select.h sys/ioctl.h stropts.h arpa/inet.h])
+	sys/timeb.h sys/select.h sys/ioctl.h stropts.h arpa/inet.h \
+	security/pam_misc.h])
 
 AC_HEADER_TIME
 AC_HEADER_SYS_WAIT