Fix travis

[jcbf]

Travis is hanging ...
Attempt to fix

[codecov]

Codecov Report

Merging #84 (eeeb6a8) into master (7003197) will increase coverage by 0.49%.
The diff coverage is 95.65%.

@@            Coverage Diff             @@
##           master      #84      +/-   ##
==========================================
+ Coverage   93.86%   94.36%   +0.49%     
==========================================
  Files           1        1              
  Lines         587      603      +16     
==========================================
+ Hits          551      569      +18     
+ Misses         36       34       -2     

Impacted Files	Coverage Δ
smf-spf.c	94.36% <95.65%> (+0.49%)	⬆️

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