branches/5.1: fix bug#42383: Can't create table 'test.bug39438'

For embedded server, MySQL may pass in full path, which is
currently disallowed. It is needed to relax the condition by
accepting full paths in the embedded case.

Approved by: Heikki (on IM)

handler/ha_innodb.cc

@@ -5338,13 +5338,15 @@ ha_innobase::create(
 	1. <database_name>/<table_name>: for normal table creation
 	2. full path: for temp table creation, or sym link
 
-	When srv_file_per_table is on, check for full path pattern, i.e.
+	When srv_file_per_table is on and mysqld_embedded is off,
+	check for full path pattern, i.e.
 	X:\dir\...,		X is a driver letter, or
 	\\dir1\dir2\...,	UNC path
 	returns error if it is in full path format, but not creating a temp.
 	table. Currently InnoDB does not support symbolic link on Windows. */
 
 	if (srv_file_per_table
+	    && !mysqld_embedded
 	    && (!create_info->options & HA_LEX_CREATE_TMP_TABLE)) {
 
 		if ((name[1] == ':')