glsl: Make accessor functions for ir_variable::interface_type.

In a future patch, this will allow us to enforce invariants when the
interface type is updated.

Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp
index e2f69fa8767..7a64acc9e6d 100644
--- a/src/glsl/builtin_variables.cpp
+++ b/src/glsl/builtin_variables.cpp
@@ -831,7 +831,7 @@ builtin_variable_generator::generate_varyings()
                                            "gl_in");
       ir_variable *var = add_variable("gl_in", array(per_vertex_type, 0),
                                       ir_var_shader_in, 0);
-      var->interface_type = per_vertex_type;
+      var->init_interface_type(per_vertex_type);
    }
 }