psmisc: improve autopoint-enabling

Instead of globally clearing EXTRA_AUTORECONF (which by default currently
contains --exclude=autopoint) use _remove to selectively remove the piece we
care about.

(From OE-Core rev: 93fe0f5044d30407c9afc69cbb570a82b6c82e5d)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/psmisc/psmisc.inc

@@ -18,8 +18,8 @@ inherit autotools gettext
 
 # Upstream has a custom autogen.sh which invokes po/update-potfiles as they 
 # don't ship a po/POTFILES.in (which is silly).  Without that file gettext 
-#doesn't believe po/ is a gettext directory and won't generate po/Makefile.
-EXTRA_AUTORECONF=""
+# doesn't believe po/ is a gettext directory and won't generate po/Makefile.
+EXTRA_AUTORECONF_remove = "--exclude=autopoint"
 do_configure_prepend() {
     ( cd ${S} && po/update-potfiles )
 }