make dist now generates .tar.xz as well

qbittorrent.pro

@@ -11,6 +11,8 @@ dist.commands += rm -fR ../$${PROJECT_NAME}-$${PROJECT_VERSION}/.git &&
 dist.commands += rm -f ../$${PROJECT_NAME}-$${PROJECT_VERSION}/.gitignore &&
 dist.commands += cd .. &&
 dist.commands += tar czf $${PROJECT_NAME}-$${PROJECT_VERSION}.tar.gz $${PROJECT_NAME}-$${PROJECT_VERSION} &&
+dist.commands += tar cf $${PROJECT_NAME}-$${PROJECT_VERSION}.tar $${PROJECT_NAME}-$${PROJECT_VERSION} &&
+dist.commands += xz -f $${PROJECT_NAME}-$${PROJECT_VERSION}.tar &&
 dist.commands += rm -fR $${PROJECT_NAME}-$${PROJECT_VERSION}
 
 QMAKE_EXTRA_TARGETS += dist