nir: rename glsl_type_is_struct() -> glsl_type_is_struct_or_ifc()

Replace done using:
find ./src -type f -exec sed -i -- \
's/glsl_type_is_struct(/glsl_type_is_struct_or_ifc(/g' {} \;

Acked-by: Karol Herbst <kherbst@redhat.com>
Acked-by: Jason Ekstrand <jason@jlekstrand.net>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>

src/compiler/nir/nir_split_per_member_structs.c

@@ -53,7 +53,7 @@ member_type(const struct glsl_type *type, unsigned index)
       assert(glsl_get_explicit_stride(type) == 0);
       return glsl_array_type(elem, glsl_get_length(type), 0);
    } else {
-      assert(glsl_type_is_struct(type));
+      assert(glsl_type_is_struct_or_ifc(type));
       assert(index < glsl_get_length(type));
       return glsl_get_struct_field(type, index);
    }