configure.ac: check for sys/param.h
This file is required by glibc for the test suite.
@@ -310,7 +310,7 @@ AM_CONDITIONAL([USE_OSSFUZZ_STATIC], [test -f "$LIB_FUZZING_ENGINE"])
# Checks for header files.
# AC_HEADER_STDC
-AC_CHECK_HEADERS([errno.h fcntl.h stdio.h stdlib.h unistd.h sys/uio.h])
+AC_CHECK_HEADERS([errno.h fcntl.h stdio.h stdlib.h unistd.h sys/param.h sys/uio.h])
AC_CHECK_HEADERS([sys/select.h sys/socket.h sys/ioctl.h sys/time.h])
AC_CHECK_HEADERS([arpa/inet.h netinet/in.h])
AC_CHECK_HEADERS([sys/un.h], [have_sys_un_h=yes], [have_sys_un_h=no])
