collectd: also install to staging

Fixes bug #5906

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/collectd/collectd.mk

@@ -8,6 +8,7 @@ COLLECTD_VERSION = 5.1.2
 COLLECTD_SITE = http://collectd.org/files
 COLLECTD_MAKE_OPT = LDFLAGS="$(TARGET_LDFLAGS) -lm"
 COLLECTD_CONF_ENV = ac_cv_lib_yajl_yajl_alloc=yes
+COLLECTD_INSTALL_STAGING = YES
 COLLECTD_LICENSE = GPLv2 LGPLv2.1
 COLLECTD_LICENSE_FILES = COPYING