[commit: ghc] master: Update transformers submodule to 0.4.3.0 release (2c4a7d3)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/2c4a7d3abb4e35b0cd8c5596b6ada50b9e34bfa8/ghc

>---------------------------------------------------------------

commit 2c4a7d3abb4e35b0cd8c5596b6ada50b9e34bfa8
Author: Herbert Valerio Riedel <hvr at gnu.org>
Date:   Sat Aug 8 11:13:52 2015 +0200

    Update transformers submodule to 0.4.3.0 release
    
    Differential Revision: https://phabricator.haskell.org/D1140


>---------------------------------------------------------------

2c4a7d3abb4e35b0cd8c5596b6ada50b9e34bfa8
 libraries/transformers | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/transformers b/libraries/transformers
index c55953c..078c7da 160000
--- a/libraries/transformers
+++ b/libraries/transformers
@@ -1 +1 @@
-Subproject commit c55953c1298a5b63e250dfcd402154f6d187825e
+Subproject commit 078c7daf36ea1fa1ecb63b04dbe667a443e13044