nconvert.exe conflict params

[AlexZaharow]

nconvert
with keys

-o d:\test\2-r.jpg -jpegtrans rot90 -out jpeg d:\test\2.jpg

do not consider -o param and save result of "-jpegtrans rot90" to source file.
If I use -rotate 90, then all convert save to "-o destfile"

[xnview]

-jpegtrans works on source file