Update registry.jl

Change to stl binary/ascii type detection. Removed check on value of final attr bits, which caused a failure to parse for me, incorrectly treating it as an ascii type stl. If the eof is in the correct place, this value does not matter.

src/registry.jl

@@ -461,9 +461,7 @@ function detect_stlbinary(io)
     number_of_triangle_blocks = read(io, UInt32)
      #1 normal, 3 vertices in Float32 + attrib count, usually 0
     len != (number_of_triangle_blocks*size_triangleblock)+size_header && (seekstart(io); return false)
-    skip(io, number_of_triangle_blocks*size_triangleblock-sizeof(UInt16))
-    attrib_byte_count = read(io, UInt16) # read last attrib_byte
-    attrib_byte_count != zero(UInt16) && (seekstart(io); return false) # should be zero as not used
+    skip(io, number_of_triangle_blocks*size_triangleblock)
     result = eof(io) # if end of file, we have a stl!
     return result
 end