[commit: ghc] master: Bump Cabal submodule (515a98b)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/515a98bd258344b1f3725dd1b1ad687cbc245299/ghc

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commit 515a98bd258344b1f3725dd1b1ad687cbc245299
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Tue Aug 7 13:37:13 2018 -0400

    Bump Cabal submodule


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515a98bd258344b1f3725dd1b1ad687cbc245299
 libraries/Cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/Cabal b/libraries/Cabal
index 6671506..5ed4d20 160000
--- a/libraries/Cabal
+++ b/libraries/Cabal
@@ -1 +1 @@
-Subproject commit 6671506b488a0fe2079f9059a23510b35514c031
+Subproject commit 5ed4d20ea5101a82254c025d16477c33489e0a0d