Merge pull request #334 from atismer/master

*fix bug: stl file is closed twiced when reading ascii

Former-commit-id: d3b9d43252b4ac7ac98a8cd10fc3172e952f6662

include/igl/readSTL.cpp

@@ -187,7 +187,6 @@ IGL_INLINE bool igl::readSTL(
       }
     }
     // read endfacet
-    fclose(stl_file);
     goto close_true;
   }else
   {