#35 limiting scan in the 'y' direction does not work

[simon wood]

simon@simon-laptop:~/libdmtx-svn/util/dmtxread$ ./dmtxread ~/test.png -x 40 -y 100 -R
50,139:139,139:139,50:50,50:this is test
simon@simon-laptop:~/libdmtx-svn/util/dmtxread$ ./dmtxread ~/test.png -X 40 -y 100 -R
simon@simon-laptop:~/libdmtx-svn/util/dmtxread$ ./dmtxread ~/test.png -x 40 -Y 100 -R
50,139:139,139:139,50:50,50:this is test
simon@simon-laptop:~/libdmtx-svn/util/dmtxread$ ./dmtxread ~/test.png -Y 100 -R
50,139:139,139:139,50:50,50:this is test
simon@simon-laptop:~/libdmtx-svn/util/dmtxread$ ./dmtxread ~/test.png -y 100 -R
49,139:139,139:139,50:49,50:this is test
simon@simon-laptop:~/libdmtx-svn/util/dmtxread$ ./dmtxread ~/test.png -v
--------------------------------------------------
Matrix Size: 18 x 18
Data Codewords: 14 (capacity 18)
Error Codewords: 14
Data Regions: 1 x 1
Interleaved Blocks: 1
Rotation Angle: 0
Corner 0: (49.0, 139.0)
Corner 1: (139.0, 139.0)
Corner 2: (139.0, 50.0)
Corner 3: (49.0, 50.0)
--------------------------------------------------
this is test
simon@simon-laptop:~/libdmtx-svn/util/dmtxread$