glsl: Initialize builtin_builder member variables.

Fixes "Uninitialized pointer field" defect reported by Coverity.

Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/glsl/builtin_functions.cpp b/src/glsl/builtin_functions.cpp
index 5d8f171b9a8..1fedca4cebb 100644
--- a/src/glsl/builtin_functions.cpp
+++ b/src/glsl/builtin_functions.cpp
@@ -525,6 +525,9 @@ private:
  *  @{
  */
 builtin_builder::builtin_builder()
+   : shader(NULL),
+     gl_ModelViewProjectionMatrix(NULL),
+     gl_Vertex(NULL)
 {
    mem_ctx = NULL;
 }