Git: Fix calls to ensureStash

Change-Id: I581afbe314055796d22f883e501dfb5fd17117fe
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/git/branchmodel.cpp

@@ -444,7 +444,7 @@ void BranchModel::checkoutBranch(const QModelIndex &idx)
         return;
 
     QString errorMessage;
-    switch (m_client->ensureStash(m_workingDirectory, QLatin1String("Branch-Checkout"), 0, &errorMessage)) {
+    switch (m_client->ensureStash(m_workingDirectory, QLatin1String("Branch-Checkout"), true, 0, &errorMessage)) {
     case GitClient::StashUnchanged:
     case GitClient::Stashed:
     case GitClient::NotStashed:

src/plugins/git/gitclient.cpp

@@ -1571,7 +1571,7 @@ static inline int askWithDetailedText(QWidget *parent,
 GitClient::StashResult GitClient::ensureStash(const QString &workingDirectory, const QString &keyword, QString *message)
 {
     QString errorMessage;
-    const StashResult sr = ensureStash(workingDirectory, keyword, message, &errorMessage);
+    const StashResult sr = ensureStash(workingDirectory, keyword, true, message, &errorMessage);
     if (sr == StashFailed)
         outputWindow()->appendError(errorMessage);
     return sr;