Fix test_complete.f90 not to use INTEGER variable instead of LOGICAL variable.

Depending on the compiler this could cause an error during compilation.

Reported by Mike Rezny.

git-svn-id: http://forge.ipsl.jussieu.fr/ioserver/svn/XIOS/branchs/xios-1.0@547 d613d254-d18a-4304-b296-5125d4c4d670