Fix utf8 handling in kaddressbook thumbnailcreator

This relates to bug 2625

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit fba4827c29)

kaddressbook/thumbnailcreator/ldifvcardcreator.cpp

@@ -80,7 +80,9 @@ bool VCard_LDIFCreator::readContents( const TQString &path )
   const TQString contents( data );
   const TQCString contentsRaw( data.data(), data.size() );
 #else
-  TQString contents = file.readAll();
+  TQTextStream s( &file );
+  s.setEncoding( TQTextStream::UnicodeUTF8 );
+  TQString contents = s.read();
 #endif
   file.close();