fix thorwing of exception wasn't right (dbclientconnection)

client/examples/tutorial.cpp

@@ -1,5 +1,5 @@
 #include <iostream>
-#include "client/dbclient.h"
+#include "../../client/dbclient.h"
 
 // g++ -I ../.. -L ../.. tutorial.cpp -lmongoclient -lboost_thread -lboost_filesystem
 
@@ -7,13 +7,15 @@ using namespace mongo;
 
 void run() {
   DBClientConnection c;
-
+  c.connect("localhost");
+  cout << "connected ok" << endl;
 }
 
 int main() { 
   try { 
     run();
-  } catch( DBException &e ) { 
+  } 
+  catch( DBException &e ) { 
     cout << "caught " << e.what() << endl;
   }
   return 0;