build: remote commands on staging in single session

PR-URL: https://github.com/nodejs/node/pull/2717
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>

vcbuild.bat

@@ -217,8 +217,7 @@ ssh -F %SSHCONFIG% %STAGINGSERVER% "mkdir -p nodejs/%DISTTYPEDIR%/v%FULLVERSION%
 scp -F %SSHCONFIG% Release\node.exe %STAGINGSERVER%:nodejs/%DISTTYPEDIR%/v%FULLVERSION%/win-%target_arch%/node.exe
 scp -F %SSHCONFIG% Release\node.lib %STAGINGSERVER%:nodejs/%DISTTYPEDIR%/v%FULLVERSION%/win-%target_arch%/node.lib
 scp -F %SSHCONFIG% node-v%FULLVERSION%-%target_arch%.msi %STAGINGSERVER%:nodejs/%DISTTYPEDIR%/v%FULLVERSION%/
-ssh -F %SSHCONFIG% %STAGINGSERVER% "touch nodejs/%DISTTYPEDIR%/v%FULLVERSION%/node-v%FULLVERSION%-%target_arch%.msi.done nodejs/%DISTTYPEDIR%/v%FULLVERSION%/win-%target_arch%.done"
+ssh -F %SSHCONFIG% %STAGINGSERVER% "touch nodejs/%DISTTYPEDIR%/v%FULLVERSION%/node-v%FULLVERSION%-%target_arch%.msi.done nodejs/%DISTTYPEDIR%/v%FULLVERSION%/win-%target_arch%.done && chmod -R ug=rw-x+X,o=r+X nodejs/%DISTTYPEDIR%/v%FULLVERSION%/node-v%FULLVERSION%-%target_arch%.msi* nodejs/%DISTTYPEDIR%/v%FULLVERSION%/win-%target_arch%*"
-ssh -F %SSHCONFIG% %STAGINGSERVER% "chmod -R ug=rw-x+X,o=r+X nodejs/%DISTTYPEDIR%/v%FULLVERSION%/node-v%FULLVERSION%-%target_arch%.msi* nodejs/%DISTTYPEDIR%/v%FULLVERSION%/win-%target_arch%*"
 
 :run
 @rem Run tests if requested.