inputStream_http: signal the server to close after all requests

We want the partial content goodies of HTTP/1.1 without
requiring persistent connections.  Persistent connections across
multiple HTTP requests don't really help in the case of MPD,
either, because our content is usually big and heavy.

Note: this puts MPD at the hands of the server to correctly
close() the TCP connection we're using.  If we connect to a
rogue server that keeps the connection alive even when request
not to, we'll spin :(  However, encountering such a server
is very unlikely...

git-svn-id: https://svn.musicpd.org/mpd/trunk@6867 09075e82-0dd4-0310-85a5-a0d7c8717e4f

src/inputStream_http.c

@@ -467,7 +467,7 @@ static int finishHTTPInit(InputStream * inStream)
 	length = snprintf(request, sizeof(request),
 	                 "GET %s HTTP/1.1\r\n"
 	                 "Host: %s\r\n"
-	                 /* "Connection: close\r\n" */
+	                 "Connection: close\r\n"
 	                 "User-Agent: " PACKAGE_NAME "/" PACKAGE_VERSION "\r\n"
 	                 "Range: bytes=%ld-\r\n"
 	                 "%s"  /* authorization */