package/libcap-ng: disable python3

python3 is an optional dependency (enabled by default) since bump to
version 0.7.7 in commit 4314c86b0b932c3d381ae59b641366697906868f and
https://github.com/stevegrubb/libcap-ng/commit/02fc25f9d3a00c7d7ccd619d8d678511a73b940b

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit 4d21ec5021f6ec9ba40a9f71a9028b7b55bc6aea)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/libcap-ng/libcap-ng.mk

@@ -12,10 +12,10 @@ LIBCAP_NG_CPE_ID_VENDOR = libcap-ng_project
 LIBCAP_NG_INSTALL_STAGING = YES
 
 LIBCAP_NG_CONF_ENV = ac_cv_prog_swig_found=no
-LIBCAP_NG_CONF_OPTS = --without-python
+LIBCAP_NG_CONF_OPTS = --without-python --without-python3
 
 HOST_LIBCAP_NG_CONF_ENV = ac_cv_prog_swig_found=no
-HOST_LIBCAP_NG_CONF_OPTS = --without-python
+HOST_LIBCAP_NG_CONF_OPTS = --without-python --without-python3
 
 $(eval $(autotools-package))
 $(eval $(host-autotools-package))