Fix selector typo
Why wasn't this caught by conda-forge-linter?!?
@@ -27,7 +27,7 @@ requirements:
- python
- numpy
- scipy
- - gmsh <4.0 # [not (win and (py2k or x86)))
+ - gmsh <4.0 # [not (win and (py2k or x86))]
- pysparse # [not py3k]
- pytrilinos # [not win and not py3k]
- mpi4py # [not win and not py3k]
