procps-ng: add INSTALL_STAGING=YES

Procps-ng libraries needed in the staging directory by
the new package openvmtools.

Signed-off-by: Karoly Kasza <kaszak@gmail.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/procps-ng/procps-ng.mk

@@ -9,6 +9,7 @@ PROCPS_NG_SOURCE = procps-ng-$(PROCPS_NG_VERSION).tar.xz
 PROCPS_NG_SITE = http://downloads.sourceforge.net/project/procps-ng/Production
 PROCPS_NG_LICENSE = GPLv2+, libproc and libps LGPLv2+
 PROCPS_NG_LICENSE_FILES = COPYING COPYING.LIB
+PROCPS_NG_INSTALL_STAGING = YES
 
 PROCPS_NG_DEPENDENCIES = ncurses