conda recipe: add make as build dep

[nehaljwani]

Don't assume that make is part of the build container

[codecov-io]

Codecov Report

Merging #400 into master will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #400      +/-   ##
=========================================
- Coverage   92.34%   92.3%   -0.04%     
=========================================
  Files          33      33              
  Lines        5159    5161       +2     
  Branches      358     360       +2     
=========================================
  Hits         4764    4764              
  Misses        320     320              
- Partials       75      77       +2

[coveralls]

Coverage increased (+0.002%) to 93.771% when pulling 3d0a4ed on nehaljwani:make_build_dep into 80d8f86 on numba:master.

[stuartarchibald]

Thanks for the patch, this is a good point. A minor change noted would also accommodate ARM.

[stuartarchibald]

Thanks for the fix up @nehaljwani, merging.