Fix install of iptables pkg-config files.

libiptc.pc depends on libip[4|6]tc.pc, thus all of those need to be
installed.
Should fix collectd build and thus #13146; which should make collectd
appear in snapshots again.

Signed-off-by: Danny Baumann <dannybaumann@web.de>

SVN-Revision: 36509

package/network/utils/iptables/Makefile

@@ -376,7 +376,7 @@ define Build/InstallDev
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libip*tc.so* $(1)/usr/lib/
 	$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/xtables.pc $(1)/usr/lib/pkgconfig/
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libiptc.pc $(1)/usr/lib/pkgconfig/
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/pkgconfig/libip*tc.pc $(1)/usr/lib/pkgconfig/
 endef
 
 define Package/iptables/install