Merge with 5.1-release.

- Fixed problem with oqgraph and 'make dist'

Note that after this merge we have a problem show in join_outer where we examine too many rows in one specific case (related to BUG#57024).
This will be fixed when mwl#128 is merged into 5.3.

mysql-test/suite/innodb/t/innodb_mysql.test

@@ -842,6 +842,23 @@ DROP TABLE t1;
 
 --echo End of 5.1 tests
 
+--echo #
+--echo # Test for bug #39932 "create table fails if column for FK is in different
+--echo #                      case than in corr index".
+--echo #
+--disable_warnings
+drop tables if exists t1, t2;
+--enable_warnings
+create table t1 (pk int primary key) engine=InnoDB;
+--echo # Even although the below statement uses uppercased field names in
+--echo # foreign key definition it still should be able to find explicitly
+--echo # created supporting index. So it should succeed and should not
+--echo # create any additional supporting indexes.
+create table t2 (fk int, key x (fk),
+                 constraint x foreign key (FK) references t1 (PK)) engine=InnoDB;
+show create table t2;
+drop table t2, t1;
+
 --echo #
 --echo # Bug#668644: HAVING + ORDER BY
 --echo #
@@ -876,5 +893,4 @@ SELECT t1 .i AS f FROM t1, t2
 
 DROP TABLE t1, t2;
 
-
 --echo End of 5.3 tests