Itseez/opencv — pull request #1933 by gongzg (2013-12-05 02:39:14+00:00)
Title: Fixed some implicitly type conversions between vector and scalar data ty...

...pe.

There are some mixed implicitly/explicitly type conversion between
scalar and vector. Although the spec allows those conversion, I prefer
to make them consistent and use explicitly all the cases.

Signed-off-by: Zhigang Gong