CueParser: Fix parsing tracks with 1-digit minutes

Fixes #836

src/playlistparsers/cueparser.cpp

@@ -41,7 +41,7 @@
 class CollectionBackendInterface;
 
 const char *CueParser::kFileLineRegExp = "(\\S+)\\s+(?:\"([^\"]+)\"|(\\S+))\\s*(?:\"([^\"]+)\"|(\\S+))?";
-const char *CueParser::kIndexRegExp = "(\\d{2,3}):(\\d{2}):(\\d{2})";
+const char *CueParser::kIndexRegExp = "(\\d{1,3}):(\\d{2}):(\\d{2})";
 
 const char *CueParser::kPerformer = "performer";
 const char *CueParser::kTitle = "title";