Fixed compile error in qqmlscript.cpp due to narrowing conversion.
Fixed compile error in qqmlscript.cpp due to narrowing conversion.

qqmlscript.cpp:917: error: narrowing conversion of ‘6u’ from ‘size_t’
to ‘int’ inside { }

Change-Id: I2dae5b0fb8644b48bfa38bbb7bd173537a03a1a4
Reviewed-by: Matthew Vogt <a25602bb3d0bdc453c5491edb1c4d02a5d529349@nokia.com>

crobertd/qtdeclarative,qmlc/qtdeclarative,crobertd/qtdeclarative,corngood/qtdeclarative,jfaust/qtdeclarative,corngood/qtdeclarative,mgrunditz/qtdeclarative-2d,crobertd/qtdeclarative,jfaust/qtdeclarative,matthewvogt/qtdeclarative,matthewvogt/qtdeclarative,qmlc/qtdeclarative,matthewvogt/qtdeclarative,corngood/qtdeclarative,corngood/qtdeclarative,qmlc/qtdeclarative,mgrunditz/qtdeclarative-2d,matthewvogt/qtdeclarative,crobertd/qtdeclarative,matthewvogt/qtdeclarative,mgrunditz/qtdeclarative-2d,corngood/qtdeclarative,qmlc/qtdeclarative,mgrunditz/qtdeclarative-2d,jfaust/qtdeclarative,qmlc/qtdeclarative,jfaust/qtdeclarative,jfaust/qtdeclarative,qmlc/qtdeclarative,corngood/qtdeclarative,corngood/qtdeclarative,crobertd/qtdeclarative,matthewvogt/qtdeclarative,qmlc/qtdeclarative,matthewvogt/qtdeclarative,jfaust/qtdeclarative,matthewvogt/qtdeclarative,qmlc/qtdeclarative,crobertd/qtdeclarative,mgrunditz/qtdeclarative-2d,jfaust/qtdeclarative,mgrunditz/qtdeclarative-2d,crobertd/qtdeclarative,mgrunditz/qtdeclarative-2d