glsl: silence unused 'var' variable warning

Reviewed-by: Paul Berry <stereotype441@gmail.com>

diff --git a/src/glsl/builtin_variables.cpp b/src/glsl/builtin_variables.cpp
index fc1115bc4786a8125db9a0e4f310488394f801a5..1f62fcf9bdddbff670ddd6e5dd5279cbe9e77ed3 100644 (file)
--- a/src/glsl/builtin_variables.cpp
+++ b/src/glsl/builtin_variables.cpp
@@ -888,8 +888,8 @@ builtin_variable_generator::generate_varyings()
    if (state->target == geometry_shader) {
       const glsl_type *per_vertex_in_type =
          this->per_vertex_in.construct_interface_instance();
-      ir_variable *var = add_variable("gl_in", array(per_vertex_in_type, 0),
-                                      ir_var_shader_in, -1);
+      add_variable("gl_in", array(per_vertex_in_type, 0),
+                   ir_var_shader_in, -1);
    }
    if (state->target == vertex_shader || state->target == geometry_shader) {
       const glsl_type *per_vertex_out_type =