Prevent a malformed file from crashing actor fetching

src/controller/admin.c

@@ -63,6 +63,7 @@ bool handle_admin_initial_owner_setup( struct http_request* req )
 		owner->banner = aformat("https://%s/owner/banner.blob", g_server->domain );
 		owner->avatar.url = aformat("https://%s/owner/avatar.blob", g_server->domain );
 		owner->avatar.static_url = aformat("https://%s/owner/avatar.blob", g_server->domain );
+		owner->note = strdup("");
 		account_save(owner);
 
 		// Create home timeline account

src/model/account.c

@@ -236,12 +236,17 @@ static struct account* account_load_from_id( int id, int recurse_limit )
 		return NULL;
 	}
 
+	// Handle account migration
 	if( a->replaced_by && a->replaced_by != a->id ) {
 		int new_id = a->replaced_by;
 		account_free(a);
 		return account_load_from_id( new_id, recurse_limit - 1 );
 	}
 
+	// Sanity checks
+	if( !a->note ) {
+		a->note = strdup("");
+	}
 	if( !a->banner ) {
 		a->banner = aformat( "https://%s/server/default-banner.blob", g_server->domain );
 	}