[musl] Reformat some character tables

This changes some tables, stored as an array of arrays, from

1, 2, 3, 4, 5, 6,

to
{ 1, 2, 3, },
{ 4, 5, 6, },

This will enable removing -Wno-missing-braces in a subsequent patch.

Change-Id: I23871cb2d60099b95684d3c4583c45670ea9d623

[musl][locale] Rename some include files to make it clear they aren't headers

These are designed to be included once and not export an interface.

Change-Id: Ia29695e4245dfda7166e22902830590178038ec4