Fix webserver crash with new filesystem

src/mesh/http/ContentHandler.cpp

@@ -390,6 +390,9 @@ void handleStatic(HTTPRequest *req, HTTPResponse *res)
                 res->println("Web server is running.<br><br>The content you are looking for can't be found. Please see: <a "
                              "href=https://meshtastic.org/docs/getting-started/faq#wifi--web-browser>FAQ</a>.<br><br><a "
                              "href=/admin>admin</a>");
+
+                return;
+
             } else {
                 res->setHeader("Content-Encoding", "gzip");
             }
@@ -427,6 +430,7 @@ void handleStatic(HTTPRequest *req, HTTPResponse *res)
         return;
 
     } else {
+        DEBUG_MSG("ERROR: This should not have happened...\n");
         res->println("ERROR: This should not have happened...");
     }
 }