fix compile error for libev example

examples/.gitignore

@@ -0,0 +1 @@
+a.out

examples/libev.cpp

@@ -65,7 +65,7 @@ int main()
     MyHandler handler(loop);
 
     // init the SSL library
-    SSL_library_init();
+//    SSL_library_init();
 
     // make a connection
     AMQP::Address address("amqps://guest:guest@localhost/");