Clang: fix warning about implict copy-ctor with explicit move-ctor

src/libcalamares/Job.cpp

@@ -21,6 +21,12 @@
 namespace Calamares
 {
 
+JobResult::JobResult( JobResult&& rhs ) :
+      m_ok( rhs.m_ok )
+    , m_message( std::move( rhs.m_message ) )
+    , m_details( std::move( rhs.m_details ) )
+{
+}
 
 JobResult::operator bool() const
 {
@@ -55,7 +61,6 @@ JobResult::setDetails( const QString& details )
     m_details = details;
 }
 
-
 JobResult
 JobResult::ok()
 {

src/libcalamares/Job.h

@@ -29,6 +29,9 @@ namespace Calamares {
 class DLLEXPORT JobResult
 {
 public:
+    JobResult( const JobResult& rhs ) = delete;
+    JobResult( JobResult&& rhs );
+
     virtual ~JobResult() {}
 
     virtual operator bool() const;