DOC: Fix type of `codes` in docstring of `_vq._vq()`
DOC: Fix type of `codes` in docstring of `_vq._vq()`

The codes array that is written out contains entries of type `int32_t`, not `vq_type`---changed the docstring to reflect that definition.

andyfaff/scipy,perimosocordiae/scipy,endolith/scipy,nmayorov/scipy,zerothi/scipy,grlee77/scipy,Eric89GXL/scipy,andyfaff/scipy,anntzer/scipy,ilayn/scipy,Eric89GXL/scipy,mdhaber/scipy,Eric89GXL/scipy,scipy/scipy,matthew-brett/scipy,endolith/scipy,Stefan-Endres/scipy,Stefan-Endres/scipy,Stefan-Endres/scipy,anntzer/scipy,nmayorov/scipy,Eric89GXL/scipy,rgommers/scipy,grlee77/scipy,ilayn/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,zerothi/scipy,perimosocordiae/scipy,grlee77/scipy,zerothi/scipy,matthew-brett/scipy,ilayn/scipy,mdhaber/scipy,zerothi/scipy,vigna/scipy,e-q/scipy,vigna/scipy,matthew-brett/scipy,Stefan-Endres/scipy,pizzathief/scipy,WarrenWeckesser/scipy,pizzathief/scipy,WarrenWeckesser/scipy,tylerjereddy/scipy,scipy/scipy,scipy/scipy,e-q/scipy,anntzer/scipy,ilayn/scipy,mdhaber/scipy,ilayn/scipy,nmayorov/scipy,WarrenWeckesser/scipy,endolith/scipy,matthew-brett/scipy,Stefan-Endres/scipy,mdhaber/scipy,tylerjereddy/scipy,perimosocordiae/scipy,pizzathief/scipy,zerothi/scipy,Eric89GXL/scipy,Stefan-Endres/scipy,tylerjereddy/scipy,rgommers/scipy,andyfaff/scipy,scipy/scipy,vigna/scipy,andyfaff/scipy,tylerjereddy/scipy,rgommers/scipy,rgommers/scipy,anntzer/scipy,mdhaber/scipy,e-q/scipy,vigna/scipy,WarrenWeckesser/scipy,endolith/scipy,scipy/scipy,perimosocordiae/scipy,perimosocordiae/scipy,scipy/scipy,vigna/scipy,grlee77/scipy,anntzer/scipy,zerothi/scipy,ilayn/scipy,rgommers/scipy,mdhaber/scipy,anntzer/scipy,WarrenWeckesser/scipy,andyfaff/scipy,nmayorov/scipy,tylerjereddy/scipy,grlee77/scipy,nmayorov/scipy,perimosocordiae/scipy,endolith/scipy,matthew-brett/scipy,andyfaff/scipy,endolith/scipy,pizzathief/scipy,pizzathief/scipy,e-q/scipy,e-q/scipy