Addendum #4 to bug #53095

SHOW DATABASES LIKE ... was not converting to lowercase on comparison as the
documentation is suggesting. 
Fixed it to behave similarly to SHOW TABLES LIKE ... and updated the failing
on MacOSX lowercase_table2 test case.

mysql-test/r/lowercase_table2.result

@@ -56,6 +56,7 @@ CREATE DATABASE `TEST_$1`;
 SHOW DATABASES LIKE "TEST%";
 Database (TEST%)
 TEST_$1
+test
 DROP DATABASE `test_$1`;
 CREATE TABLE T1 (a int) engine=innodb;
 INSERT INTO T1 VALUES (1);
@@ -171,6 +172,6 @@ create table myUC (i int);
 select TABLE_SCHEMA,TABLE_NAME FROM information_schema.TABLES
 where TABLE_SCHEMA ='mysqltest_LC2';
 TABLE_SCHEMA	TABLE_NAME
-mysqltest_LC2	myUC
+mysqltest_lc2	myUC
 use test;
 drop database mysqltest_LC2;

sql/sql_show.cc

@@ -521,8 +521,19 @@ find_files(THD *thd, List<LEX_STRING> *files, const char *db,
         continue;
 
       file_name_len= filename_to_tablename(file->name, uname, sizeof(uname));
-      if (wild && wild_compare(uname, wild, 0))
+      if (wild)
+      {
+	if (lower_case_table_names)
+	{
+          if (my_wildcmp(files_charset_info,
+                         uname, uname + file_name_len,
+                         wild, wild + wild_length,
+                         wild_prefix, wild_one,wild_many))
+            continue;
+	}
+	else if (wild_compare(uname, wild, 0))
 	  continue;
+      }
       if (!(file_name= 
             thd->make_lex_string(file_name, uname, file_name_len, TRUE)))
       {