refactoring to avoid use of function call for default-argument (this is supposed to fix the build failure of the msvc-internal build refs #3

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15369 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing svn properties

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15370 29f149b2-0c63-11e1-8f5c-a347f6a9acd0
fixing svn properties

git-svn-id: http://svn.code.sf.net/p/sumo/code/trunk/sumo@15371 29f149b2-0c63-11e1-8f5c-a347f6a9acd0