Fix a float-to-int cast crash in AppendArcToPolyline
          #397
        
          
      
      
        
          +34
        
        
          −3
        
        
          
        
      
    
  
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Fix a float-to-int cast crash in
AppendArcToPolylineThis crash was found by temporarily re-enabling the stroke generation fuzz test in
strokes/stroke_test.cc, as the crash can be triggered by an adversarial (but valid) brush definition. Fixing this crash is one step toward re-enabling that fuzz test.