[cyvlfeat] Update to 0.5.1

conda/cyvlfeat/meta.yaml

 {% set name = "cyvlfeat" %}
-{% set version = "0.4.6" %}
-{% set sha256 = "5bc5de3c2e40240b8cb6ff06d744fe92911635d7b61c3a034ba93f6297df4732" %}
+{% set version = "0.5.1" %}
+{% set sha256 = "bafe03dea94c8691b2de26f766340704df91453c446b6ba911153eb045722ae5" %}
 
 package:
   name: {{ name }}
@@ -25,7 +25,6 @@ requirements:
     - cython {{ cython }}
     - numpy {{ numpy }}
     - vlfeat {{ vlfeat }}
-    # - msinttypes r26  # [win]
 
   run:
     - python