Mesa (master): shader: fix compilation warnings

[Ian Romanick]

Module: Mesa
Branch: master
Commit: 08e91e0315622d1f54ffc1bfb34024a2bf510aec
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=08e91e0315622d1f54ffc1bfb34024a2bf510aec

Author: Renato Caldas <seventhguardian at gmail.com>
Date:   Sat Aug 22 20:22:03 2009 +0100

shader: fix compilation warnings

This patch fixes some "implicit declaration of function" compilation
errors/warnings on the new shader code.

Signed-off-by: Renato Caldas <seventhguardian at gmail.com>

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