Follow project coding style. Issue #2192.

src/base/preferences.cpp

@@ -59,7 +59,9 @@
 
 Preferences *Preferences::m_instance = 0;
 
-Preferences::Preferences() {}
+Preferences::Preferences()
+{
+}
 
 Preferences *Preferences::instance()
 {
@@ -193,6 +195,7 @@ void Preferences::setCloseToTray(bool b)
 {
     setValue("Preferences/General/CloseToTray", b);
 }
+
 #endif
 
 bool Preferences::isToolbarDisplayed() const
@@ -264,6 +267,7 @@ void Preferences::setWinStartup(bool b)
         settings.remove("qBittorrent");
     }
 }
+
 #endif
 
 // Downloads
@@ -740,6 +744,7 @@ void Preferences::useSystemIconTheme(bool enabled)
 {
     setValue("Preferences/Advanced/useSystemIconTheme", enabled);
 }
+
 #endif
 
 bool Preferences::recursiveDownloadDisabled() const
@@ -753,7 +758,8 @@ void Preferences::disableRecursiveDownload(bool disable)
 }
 
 #ifdef Q_OS_WIN
-namespace {
+namespace
+{
     enum REG_SEARCH_TYPE
     {
         USER,
@@ -872,7 +878,6 @@ namespace {
 
         return path;
     }
-
 }
 
 QString Preferences::getPythonPath()
@@ -978,6 +983,7 @@ void Preferences::setMagnetLinkAssoc(bool set)
 
     SHChangeNotify(SHCNE_ASSOCCHANGED, SHCNF_IDLIST, 0, 0);
 }
+
 #endif
 
 #ifdef Q_OS_MAC
@@ -1034,6 +1040,7 @@ void Preferences::setMagnetLinkAssoc()
     CFStringRef myBundleId = CFBundleGetIdentifier(CFBundleGetMainBundle());
     LSSetDefaultHandlerForURLScheme(magnetUrlScheme, myBundleId);
 }
+
 #endif
 
 int Preferences::getTrackerPort() const
@@ -1056,6 +1063,7 @@ void Preferences::setUpdateCheckEnabled(bool enabled)
 {
     setValue("Preferences/Advanced/updateCheck", enabled);
 }
+
 #endif
 
 bool Preferences::confirmTorrentDeletion() const
@@ -1098,6 +1106,7 @@ void Preferences::setTrayIconStyle(TrayIcon::Style style)
 {
     setValue("Preferences/Advanced/TrayIconStyle", style);
 }
+
 #endif
 
 // Stuff that don't appear in the Options GUI but are saved
@@ -1459,10 +1468,9 @@ void Preferences::upgrade()
     QStringList labels = value("TransferListFilters/customLabels").toStringList();
     if (!labels.isEmpty()) {
         QVariantMap categories = value("BitTorrent/Session/Categories").toMap();
-        foreach (const QString &label, labels) {
+        foreach (const QString &label, labels)
             if (!categories.contains(label))
                 categories[label] = "";
-        }
         setValue("BitTorrent/Session/Categories", categories);
         SettingsStorage::instance()->removeValue("TransferListFilters/customLabels");
     }