patch 8.2.1574: Vim9: glob() doesnot take "true" as argument

Problem:    Vim9: glob() doesnot take "true" as argument.
Solution:   Use tv_get_bool_chk(). (closes #6821)

Author: brammool

src/filepath.c

@@ -1174,14 +1174,14 @@ f_glob(typval_T *argvars, typval_T *rettv)
     rettv->v_type = VAR_STRING;
     if (argvars[1].v_type != VAR_UNKNOWN)
     {
-	if (tv_get_number_chk(&argvars[1], &error))
+	if (tv_get_bool_chk(&argvars[1], &error))
 	    options |= WILD_KEEP_ALL;
 	if (argvars[2].v_type != VAR_UNKNOWN)
 	{
-	    if (tv_get_number_chk(&argvars[2], &error))
+	    if (tv_get_bool_chk(&argvars[2], &error))
 		rettv_list_set(rettv, NULL);
 	    if (argvars[3].v_type != VAR_UNKNOWN
-				    && tv_get_number_chk(&argvars[3], &error))
+				    && tv_get_bool_chk(&argvars[3], &error))
 		options |= WILD_ALLLINKS;
 	}
     }

src/testdir/test_vim9_func.vim

@@ -1509,6 +1509,10 @@ def Test_getreg()
   assert_equal(lines, getreg('a', true, true))
 enddef
 
+def Test_glob()
+  assert_equal(['runtest.vim'], glob('runtest.vim', true, true, true))
+enddef
+
 def Test_recursive_call()
   assert_equal(6765, Fibonacci(20))
 enddef

src/version.c

@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1574,
 /**/
     1573,
 /**/