No more globals.hh in headers

This is needed to rearrange include order, but I also think it is a good
thing anyways, as we seek to reduce the use of global settings variables
over time.

src/libstore/local-store.cc

@@ -86,6 +86,11 @@ ref<Store> LocalStore::Config::openStore() const
     return make_ref<LocalStore>(ref{shared_from_this()});
 }
 
+bool LocalStoreConfig::getDefaultRequireSigs()
+{
+    return settings.requireSigs;
+}
+
 struct LocalStore::State::Stmts
 {
     /* Some precompiled SQLite statements. */