mysql_fix_priviileg_tables.sql might be in share/ but not in $path_share

since that is where  the lang files etc are

mysql-test/mysql-test-run.pl

@@ -1443,7 +1443,7 @@ sub executable_setup () {
   # Look for mysql_fix_privilege_tables.sql script
   $file_mysql_fix_privilege_tables=
     mtr_file_exists("$glob_basedir/scripts/mysql_fix_privilege_tables.sql",
-		    "$path_share/mysql_fix_privilege_tables.sql");
+		    "$glob_basedir/share/mysql_fix_privilege_tables.sql");
 
   if ( ! $opt_skip_ndbcluster and executable_setup_ndb())
   {