Utils: More explicit host os use to make it stand out

Quite a few of the uses are actually wrong, but are better visible
now and therefore more likely to be fixed.

Change-Id: Ia51f7d6eb1b2d3a9c9f73d67dabacfd227c44b15
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/plugins/mesonprojectmanager/mesonbuildconfiguration.cpp

@@ -91,7 +91,8 @@ void MesonBuildConfiguration::build(const QString &target)
 
 QStringList MesonBuildConfiguration::mesonConfigArgs()
 {
-    return Utils::ProcessArgs::splitArgs(m_parameters) + QStringList{QString("-Dbuildtype=%1").arg(mesonBuildTypeName(m_buildType))};
+    return Utils::ProcessArgs::splitArgs(m_parameters, HostOsInfo::hostOs())
+        + QStringList{QString("-Dbuildtype=%1").arg(mesonBuildTypeName(m_buildType))};
 }
 
 const QString &MesonBuildConfiguration::parameters() const