glsl: add cast to silence signed/unsigned comparison warning

diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp
index a55b7ef6536ed13ee1844b5ac1fc03ee3d8fd6cd..a3623b31e5d33d70d932a97073586fad4914020c 100644 (file)
--- a/src/glsl/ir.cpp
+++ b/src/glsl/ir.cpp
@@ -1157,7 +1157,7 @@ ir_texture::set_sampler(ir_dereference *sampler, const glsl_type *type)
    this->sampler = sampler;
    this->type = type;
 
-   assert(sampler->type->sampler_type == type->base_type);
+   assert(sampler->type->sampler_type == (int) type->base_type);
    if (sampler->type->sampler_shadow)
       assert(type->vector_elements == 4 || type->vector_elements == 1);
    else