fix type of buffer.CreateTag input

[gharabakloo]

No description provided.

[codecov-io]

Codecov Report

Merging #418 into master will increase coverage by 0.41%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #418      +/-   ##
=========================================
+ Coverage    4.89%   5.31%   +0.41%     
=========================================
  Files           1       1              
  Lines        4552    3050    -1502     
=========================================
- Hits          223     162      -61     
+ Misses       4320    2881    -1439     
+ Partials        9       7       -2     

Impacted Files	Coverage Δ
gtk/gtk.go	5.31% <0.00%> (+0.41%)	⬆️

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