fixup: unsigned int in test

Author: bogner

clang/test/SemaHLSL/BuiltIns/resource_getpointer-errors.hlsl

@@ -4,23 +4,23 @@
 using handle_t = __hlsl_resource_t
     [[hlsl::resource_class(UAV)]] [[hlsl::contained_type(int)]];
 
-void test_args(int x) {
+void test_args(unsigned int x) {
   // expected-error@+1 {{too few arguments to function call, expected 2, have 1}}
   __builtin_hlsl_resource_getpointer(x);
 
   // expected-error@+1 {{too many arguments to function call, expected 2, have 3}}
   __builtin_hlsl_resource_getpointer(x, x, x);
 
-  // expected-error@+1 {{used type 'int' where __hlsl_resource_t is required}}
+  // expected-error@+1 {{used type 'unsigned int' where __hlsl_resource_t is required}}
   __builtin_hlsl_resource_getpointer(x, x);
 
   handle_t res;
 
-  // expected-error@+1 {{passing 'const char *' to parameter of incompatible type 'int'}}
+  // expected-error@+1 {{passing 'const char *' to parameter of incompatible type 'unsigned int'}}
   __builtin_hlsl_resource_getpointer(res, "1");
 
   // no error
-  __builtin_hlsl_resource_getpointer(res, 0);
+  __builtin_hlsl_resource_getpointer(res, 0u);
 
   // no error
   __builtin_hlsl_resource_getpointer(res, x);