Log Message:
Update wip/espeak to espeak-1.48.04.

pkgsrc changes:
* simplify the Makefile (no functional changes intended)

Changes:
espeak 1.48.04  06.04.2014
--------------------------
* Corrections to languages en, nl, ta (rules, list, and dict files).
  No other changes from version 1.48.03. No change to program, phoneme
  data, or other languages.