Fix: compilatin error issue #2

https://github.com/moneroexamples/onion-monero-viewer/issues/2

src/page.h

@@ -3138,11 +3138,10 @@ public:
             cerr << "Error opening/accessing custom lmdb database: "
                  << e.what() << endl;
         }
-        catch (...)
+        catch (std::exception& e)
         {
-            std::exception_ptr p = std::current_exception();
             cerr << "Error opening/accessing custom lmdb database: "
-                 << p.__cxa_exception_type()->name() << endl;
+                 << e.what() << endl;
         }