Mesa (master): glsl: fix NULL check

[Timothy Arceri]

Module: Mesa
Branch: master
Commit: 581bd1d12a0c8f68110519196673b11940887143
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=581bd1d12a0c8f68110519196673b11940887143

Author: Timothy Arceri <timothy.arceri at collabora.com>
Date:   Tue Nov 22 13:19:33 2016 +1100

glsl: fix NULL check

Fixes copy and paste error in 9d96d3803ab

---

 src/compiler/glsl/linker.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/glsl/linker.cpp b/src/compiler/glsl/linker.cpp
index 61a029c..845a793 100644
--- a/src/compiler/glsl/linker.cpp
+++ b/src/compiler/glsl/linker.cpp
@@ -2194,7 +2194,7 @@ link_intrastage_shaders(void *mem_ctx,
       ctx->Driver.NewProgram(ctx,
                              _mesa_shader_stage_to_program(shader_list[0]->Stage),
                              prog->Name);
-   if (!prog) {
+   if (!gl_prog) {
       prog->data->LinkStatus = false;
       _mesa_delete_linked_shader(ctx, linked);
       return NULL;