[skip ci] use QLocale class consistently to make it possible to change it application-wide

src/Base/UnitsSchema.cpp

@@ -38,7 +38,7 @@ using namespace Base;
 QString UnitsSchema::toLocale(const Base::Quantity& quant, double factor, const QString& unitString) const
 {
     //return QString::fromUtf8("%L1 %2").arg(quant.getValue() / factor).arg(unitString);
-    QLocale Lc = QLocale::system();
+    QLocale Lc;
     const QuantityFormat& format = quant.getFormat();
     if (format.option != QuantityFormat::None) {
         uint opt = static_cast<uint>(format.option);

src/Base/UnitsSchemaCentimeters.cpp

@@ -27,7 +27,6 @@
 #endif
 
 #include <QString>
-#include <QLocale>
 #include "Exception.h"
 #include "UnitsApi.h"
 #include "UnitsSchemaCentimeters.h"

src/Base/UnitsSchemaImperial1.cpp

@@ -30,7 +30,6 @@
 #endif
 
 #include <QString>
-#include <QLocale>
 #include "Console.h"
 #include "Exception.h"
 #include "UnitsApi.h"

src/Base/UnitsSchemaInternal.cpp

@@ -27,7 +27,6 @@
 #endif
 
 #include <QString>
-#include <QLocale>
 #include "Exception.h"
 #include "UnitsApi.h"
 #include "UnitsSchemaInternal.h"

src/Base/UnitsSchemaMKS.cpp

@@ -27,7 +27,6 @@
 #endif
 
 #include <QString>
-#include <QLocale>
 #include "Exception.h"
 #include "UnitsApi.h"
 #include "UnitsSchemaMKS.h"

src/Base/UnitsSchemaMmMin.cpp

@@ -27,7 +27,6 @@
 #endif
 
 #include <QString>
-#include <QLocale>
 #include "Exception.h"
 #include "UnitsApi.h"
 #include "UnitsSchemaMmMin.h"