db/upnp: pass const reference to getTagValue()

dafd0bc4 · Max Kellermann · 2cb912e4 · dafd0bc4
Commit dafd0bc4 authored Jan 14, 2014 by Max Kellermann
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UpnpDatabasePlugin.cxx src/db/UpnpDatabasePlugin.cxx +1 -1

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--- a/src/db/UpnpDatabasePlugin.cxx
+++ b/src/db/UpnpDatabasePlugin.cxx
@@ -281,7 +281,7 @@ UpnpDatabase::GetSong(const char *uri, Error &error) const
 * Retrieve the value for an MPD tag from an object entry.
 */
 static bool
-getTagValue(UPnPDirObject& dirent, TagType tag,
+getTagValue(const UPnPDirObject &dirent, TagType tag,
 	    std::string &tagvalue)
 {
 	if (tag == TAG_TITLE) {