glsl: avoid leaking linked gl_shader when there's a late linker error

This makes piglit mixing-clip-distance-and-clip-vertex-disallowed have 0
definitely lost blocks with valgrind. (Same non-0 number of possibly
lost blocks though.)

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Tobias Klausmann <[email protected]>
Cc: "10.5 10.6" <[email protected]>
(cherry picked from commit 5646f0f18a620292524eebcd77353ff3d3687eb2)

0 files changed, 0 insertions, 0 deletions