Refresh lintian override

debian/ngircd.lintian-overrides

@@ -1,3 +1,3 @@
 
 # INSTALL also contains upgrading information, so ship it
-ngircd: package-contains-upstream-install-documentation usr/share/doc/ngircd/INSTALL.gz
+ngircd: package-contains-upstream-installation-documentation usr/share/doc/ngircd/INSTALL.gz