treewide: s/comparitor/comparator/

git grep -l comparitor | xargs sed -i 's/comparitor/comparator/g'

Just happened to notice this in a patch that was sent and included one
of the tokens in question.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Acked-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

src/compiler/glsl/ir_print_visitor.cpp

@@ -324,9 +324,9 @@ void ir_print_visitor::visit(ir_texture *ir)
       else
 	 fprintf(f, "1");
 
-      if (ir->shadow_comparitor) {
+      if (ir->shadow_comparator) {
 	 fprintf(f, " ");
-	 ir->shadow_comparitor->accept(this);
+	 ir->shadow_comparator->accept(this);
       } else {
 	 fprintf(f, " ()");
       }