Update qbs submodule.

To HEAD of 1.4 branch. Also do the necessary adaptation in
QbsProjectManager.

Change-Id: I810502c5be14ff8e93c886dae931cd4bceb81d13
Reviewed-by: Joerg Bornemann <joerg.bornemann@theqtcompany.com>

src/plugins/qbsprojectmanager/qbsproject.cpp

@@ -902,9 +902,8 @@ void QbsProject::updateDeploymentInfo()
         installOptions.setInstallRoot(QLatin1String("/"));
         foreach (const qbs::InstallableFile &f, m_qbsProject
                      .installableFilesForProject(m_projectData, installOptions)) {
-            deploymentData.addFile(f.sourceFilePath(), f.targetDirectory(), f.isExecutable()
-                                   ? DeployableFile::TypeExecutable
-                                   : DeployableFile::TypeNormal);
+            deploymentData.addFile(f.sourceFilePath(), QFileInfo(f.targetFilePath()).path(),
+                    f.isExecutable() ? DeployableFile::TypeExecutable : DeployableFile::TypeNormal);
         }
     }
     activeTarget()->setDeploymentData(deploymentData);