fix qt4 build: remove extra spaces

qt4 qmake does not like spaces between 'for' and the opening paren.

Task-number: QTCREATORBUG-12024
Change-Id: I8697272b4f752495f3bf6ff2c6d01c4ac2ea837f
Reviewed-by: Eike Ziller <eike.ziller@digia.com>
Reviewed-by: Erik Verbruggen <erik.verbruggen@digia.com>