cryptsetup: install to staging

cryptsetup installs a library and a header file, so it makes sense to
install it to staging.

Fixes bug #9691.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Reviewed-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/cryptsetup/cryptsetup.mk

@@ -12,6 +12,7 @@ CRYPTSETUP_DEPENDENCIES = lvm2 popt util-linux host-pkgconf \
 	$(if $(BR2_NEEDS_GETTEXT_IF_LOCALE),gettext)
 CRYPTSETUP_LICENSE = GPLv2+ (programs), LGPLv2.1+ (library)
 CRYPTSETUP_LICENSE_FILES = COPYING COPYING.LGPL
+CRYPTSETUP_INSTALL_STAGING = YES
 
 ifeq ($(BR2_NEEDS_GETTEXT_IF_LOCALE),y)
 CRYPTSETUP_CONF_ENV += LDFLAGS="$(TARGET_LDFLAGS) -lintl"