Code clean up

src/preferences/options_imp.cpp

@@ -360,8 +360,9 @@ void options_imp::saveOptions(){
   pref.setSessionPort(getPort());
   pref.setUPnPEnabled(isUPnPEnabled());
   pref.setNATPMPEnabled(isNATPMPEnabled());
-  pref.setGlobalDownloadLimit(getGlobalBandwidthLimits().first);
-  pref.setGlobalUploadLimit(getGlobalBandwidthLimits().second);
+  const QPair<int, int> down_up_limit = getGlobalBandwidthLimits();
+  pref.setGlobalDownloadLimit(down_up_limit.first);
+  pref.setGlobalUploadLimit(down_up_limit.second);
   pref.setAltGlobalDownloadLimit(spinDownloadLimitAlt->value());
   pref.setAltGlobalUploadLimit(spinUploadLimitAlt->value());
   pref.setSchedulerEnabled(check_schedule->isChecked());

src/preferences/preferences.h

@@ -344,7 +344,7 @@ public:
   }
 
   int getGlobalDownloadLimit() const {
-    return value(QString::fromUtf8("Preferences/Connection/GlobalDLLimit"), -1).toInt();
+    return value("Preferences/Connection/GlobalDLLimit", -1).toInt();
   }
 
   void setGlobalDownloadLimit(int limit) {
@@ -353,7 +353,7 @@ public:
   }
 
   int getGlobalUploadLimit() const {
-    return value(QString::fromUtf8("Preferences/Connection/GlobalUPLimit"), 50).toInt();
+    return value("Preferences/Connection/GlobalUPLimit", 50).toInt();
   }
 
   void setGlobalUploadLimit(int limit) {