[BalooRolesProvider] Simplify single tag case

When the list contains just one value, return it instead of trying to
sort the list with a QCollator.

diff --git a/src/kitemviews/private/kbaloorolesprovider.cpp b/src/kitemviews/private/kbaloorolesprovider.cpp
index f980cbec069d485faa938ffa29b51cee91fd3317..2c891bb79085f1640d3d6d32caf066b227a83eef 100644 (file)
--- a/src/kitemviews/private/kbaloorolesprovider.cpp
+++ b/src/kitemviews/private/kbaloorolesprovider.cpp
@@ -18,6 +18,10 @@
 namespace {
     QString tagsFromValues(const QStringList& values)
     {
+        if (values.size() == 1) {
+            return values.at(0);
+        }
+
         QStringList alphabeticalOrderTags = values;
         QCollator coll;
         coll.setNumericMode(true);