Replaced C++11 using syntax with templated struct.
Replaced C++11 using syntax with templated struct.

dagophil/vigra,dstoe/vigra,dagophil/vigra,dstoe/vigra,dagophil/vigra,dagophil/vigra,dstoe/vigra,dagophil/vigra,dagophil/vigra,dagophil/vigra,dstoe/vigra,dstoe/vigra,dstoe/vigra,dstoe/vigra