fix msvc warning

pmalhaire · pmalhaire · commit dc8c2535775b · 2016-11-30T10:30:26.000+01:00
diff --git a/example/cpp11/socket_stream_example.cpp b/example/cpp11/socket_stream_example.cpp
@@ -115,7 +115,7 @@ struct ref_buffer {
 bool produce( std::stringstream & ss, char* buff, std::size_t& size)
 {
     ss.read(buff, BUFFERING_SIZE_MAX);
-    size = ss.gcount();
+    size = static_cast<std::size_t>(ss.gcount());
     return (size > 0);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -115,7 +115,7 @@ struct ref_buffer {`
`115`	`115`	`bool produce( std::stringstream & ss, char* buff, std::size_t& size)`
`116`	`116`	`{`
`117`	`117`	`ss.read(buff, BUFFERING_SIZE_MAX);`
`118`		`- size = ss.gcount();`
	`118`	`+ size = static_cast<std::size_t>(ss.gcount());`
`119`	`119`	`return (size > 0);`
`120`	`120`	`}`
`121`	`121`