package/powertop: needs gettextize

Fixes
http://autobuild.buildroot.net/results/8e7/8e7d1f039b57400b1a6f9c14755b35528a457031/
http://autobuild.buildroot.net/results/4e5/4e5a8f49c80c363b5fb35332e34206c9a4fe4120/
http://autobuild.buildroot.net/results/658/658e11f5b0bf3347a50a387b6271eb43c45025fb/
and many others

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/powertop/powertop.mk

@@ -13,6 +13,7 @@ POWERTOP_LICENSE_FILES = COPYING
 POWERTOP_AUTORECONF = YES
 
 ifeq ($(BR2_NEEDS_GETTEXT),y)
+POWERTOP_GETTEXTIZE = YES
 POWERTOP_DEPENDENCIES += gettext
 POWERTOP_CONF_ENV += LIBS='-lintl'
 endif