glsl: Strip arrayness from ir_type_dereference_variable too

If the thing being dereferenced is a record or an array of records, it
should be treated as row-major.  The ir_type_derference_record path
already does this, and I think I intended to do the same for this path
in b17a4d5d.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83741
Cc: mesa-stable@lists.freedesktop.org
(cherry picked from commit c3f17bb18f)

src/glsl/lower_ubo_reference.cpp

@@ -111,7 +111,7 @@ is_dereferenced_thing_row_major(const ir_dereference *deref)
          case GLSL_MATRIX_LAYOUT_COLUMN_MAJOR:
             return false;
          case GLSL_MATRIX_LAYOUT_ROW_MAJOR:
-            return matrix || deref->type->is_record();
+            return matrix || deref->type->without_array()->is_record();
          }
 
          unreachable("invalid matrix layout");