package/util-linux: add missing autoreconf

In commit 898bdbca1f11fe81e8be7924371326f85f466a27 we added a patch
for configure.ac and missed to run autoreconf.

Fixes:
 - http://autobuild.buildroot.net/results/06f/06f2e368982a620b3e810eccfdc307ae99271e22

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
[yann.morin.1998@free.fr: name patch in comment]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/util-linux/util-linux.mk

@@ -30,6 +30,10 @@ UTIL_LINUX_LICENSE_FILES = README.licensing \
 	Documentation/licenses/COPYING.LGPL-2.1-or-later
 
 UTIL_LINUX_CPE_ID_VENDOR = kernel
+
+# 0001-libmount-ifdef-statx-call.patch
+UTIL_LINUX_AUTORECONF = YES
+
 UTIL_LINUX_INSTALL_STAGING = YES
 UTIL_LINUX_DEPENDENCIES = \
 	host-pkgconf \