dri: Fix copy-and-paste brain damage in previous commit

A number of places in 3cce4a1e10361458630511543b7a8a6438544775 use
TRUE instead of GL_TRUE.  This causes build failures in all of the
drivers that I don't typically build.  Win.

Reported by sungami on IRC.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
7 files changed