VCS: Replace addButton with addReloadButton

It's the only use, and this is a special option that deserves its own
function.

Change-Id: Ic69be5973b452d3a1d506fab3623d4a9b84f8452
Reviewed-by: André Hartmann <aha_1980@gmx.de>

src/plugins/git/gitclient.cpp

@@ -52,6 +52,7 @@
 #include <utils/qtcprocess.h>
 #include <utils/synchronousprocess.h>
 #include <utils/temporaryfile.h>
+#include <utils/theme/theme.h>
 
 #include <vcsbase/submitfilemodel.h>
 #include <vcsbase/vcsbasediffeditorcontroller.h>
@@ -69,8 +70,6 @@
 #include <texteditor/fontsettings.h>
 #include <texteditor/texteditorsettings.h>
 
-#include <utils/utilsicons.h>
-
 #include <QAction>
 #include <QCoreApplication>
 #include <QDir>
@@ -603,7 +602,7 @@ public:
         mapSetting(addComboBox({}, logChoices),
                    settings.intPointer(GitSettings::blameMoveDetection));
 
-        addButton(tr("Reload"), Utils::Icons::RELOAD.icon());
+        addReloadButton();
     }
 };
 
@@ -642,7 +641,7 @@ public:
             mapSetting(followButton, settings.boolPointer(GitSettings::followRenamesKey));
         }
 
-        addButton(tr("Reload"), Utils::Icons::RELOAD.icon());
+        addReloadButton();
     }
 };