QtDialog: add reference in foreach

1 files changed, 4 insertions, 4 deletions

diff --git a/Source/QtDialog/QCMakeCacheView.cxx b/Source/QtDialog/QCMakeCacheView.cxx
index 29f8daf..67191a9 100644
--- a/Source/QtDialog/QCMakeCacheView.cxx
+++ b/Source/QtDialog/QCMakeCacheView.cxx
@@ -47,7 +47,7 @@ protected:
     }
 
     // check all strings for a match
-    foreach (QString str, strs) {
+    foreach (QString const& str, strs) {
       if (str.contains(this->filterRegExp())) {
         return true;
       }
@@ -236,12 +236,12 @@ void QCMakeCacheModel::setProperties(const QCMakePropertyList& props)
     qSort(newP);
     qSort(newP2);
     int row_count = 0;
-    foreach (QCMakeProperty p, newP) {
+    foreach (QCMakeProperty const& p, newP) {
       this->insertRow(row_count);
       this->setPropertyData(this->index(row_count, 0), p, true);
       row_count++;
     }
-    foreach (QCMakeProperty p, newP2) {
+    foreach (QCMakeProperty const& p, newP2) {
       this->insertRow(row_count);
       this->setPropertyData(this->index(row_count, 0), p, false);
       row_count++;
@@ -399,7 +399,7 @@ void QCMakeCacheModel::breakProperties(
 {
   QMap<QString, QCMakePropertyList> tmp;
   // return a map of properties grouped by prefixes, and sorted
-  foreach (QCMakeProperty p, props) {
+  foreach (QCMakeProperty const& p, props) {
     QString prefix = QCMakeCacheModel::prefix(p.Key);
     tmp[prefix].append(p);
   }