Update haddock submodule for package key fix.
Update haddock submodule for package key fix.

Signed-off-by: Edward Z. Yang <dbd597f5635f432486c5d365e9bb585b3eaa1853@cs.stanford.edu>

forked-upstream-packages-for-ghcjs/ghc,ezyang/ghc,nushio3/ghc,mcschroeder/ghc,da-x/ghc,olsner/ghc,green-haskell/ghc,ghc-android/ghc,fmthoma/ghc,bitemyapp/ghc,ezyang/ghc,nathyong/microghc-ghc,sgillespie/ghc,sgillespie/ghc,vTurbine/ghc,mcschroeder/ghc,AlexanderPankiv/ghc,nkaretnikov/ghc,ml9951/ghc,gridaphobe/ghc,nushio3/ghc,ml9951/ghc,sdiehl/ghc,shlevy/ghc,mettekou/ghc,oldmanmike/ghc,nkaretnikov/ghc,mfine/ghc,nathyong/microghc-ghc,jstolarek/ghc,oldmanmike/ghc,elieux/ghc,wxwxwwxxx/ghc,olsner/ghc,siddhanathan/ghc,mfine/ghc,elieux/ghc,ml9951/ghc,nathyong/microghc-ghc,nkaretnikov/ghc,fmthoma/ghc,AlexanderPankiv/ghc,nathyong/microghc-ghc,jstolarek/ghc,green-haskell/ghc,urbanslug/ghc,wxwxwwxxx/ghc,GaloisInc/halvm-ghc,bitemyapp/ghc,urbanslug/ghc,ezyang/ghc,forked-upstream-packages-for-ghcjs/ghc,anton-dessiatov/ghc,ezyang/ghc,siddhanathan/ghc,acowley/ghc,ml9951/ghc,sgillespie/ghc,AlexanderPankiv/ghc,tjakway/ghcjvm,gcampax/ghc,gridaphobe/ghc,tjakway/ghcjvm,jstolarek/ghc,christiaanb/ghc,nkaretnikov/ghc,mettekou/ghc,acowley/ghc,ghc-android/ghc,nushio3/ghc,sdiehl/ghc,urbanslug/ghc,snoyberg/ghc,da-x/ghc,fmthoma/ghc,siddhanathan/ghc,ghc-android/ghc,vikraman/ghc,mfine/ghc,TomMD/ghc,siddhanathan/ghc,forked-upstream-packages-for-ghcjs/ghc,spacekitteh/smcghc,ml9951/ghc,gcampax/ghc,ghc-android/ghc,vikraman/ghc,sdiehl/ghc,siddhanathan/ghc,AlexanderPankiv/ghc,anton-dessiatov/ghc,sdiehl/ghc,GaloisInc/halvm-ghc,AlexanderPankiv/ghc,anton-dessiatov/ghc,shlevy/ghc,da-x/ghc,nushio3/ghc,spacekitteh/smcghc,vikraman/ghc,GaloisInc/halvm-ghc,nushio3/ghc,snoyberg/ghc,bitemyapp/ghc,vTurbine/ghc,fmthoma/ghc,mfine/ghc,bitemyapp/ghc,tjakway/ghcjvm,gridaphobe/ghc,gcampax/ghc,GaloisInc/halvm-ghc,TomMD/ghc,shlevy/ghc,da-x/ghc,nkaretnikov/ghc,nathyong/microghc-ghc,anton-dessiatov/ghc,AlexanderPankiv/ghc,olsner/ghc,sdiehl/ghc,GaloisInc/halvm-ghc,mfine/ghc,olsner/ghc,forked-upstream-packages-for-ghcjs/ghc,forked-upstream-packages-for-ghcjs/ghc,olsner/ghc,acowley/ghc,anton-dessiatov/ghc,TomMD/ghc,snoyberg/ghc,wxwxwwxxx/ghc,ezyang/ghc,ghc-android/ghc,elieux/ghc,nkaretnikov/ghc,gridaphobe/ghc,wxwxwwxxx/ghc,sgillespie/ghc,acowley/ghc,gcampax/ghc,tjakway/ghcjvm,gcampax/ghc,anton-dessiatov/ghc,da-x/ghc,oldmanmike/ghc,tjakway/ghcjvm,mcschroeder/ghc,oldmanmike/ghc,nathyong/microghc-ghc,da-x/ghc,snoyberg/ghc,shlevy/ghc,vikraman/ghc,anton-dessiatov/ghc,mcschroeder/ghc,vTurbine/ghc,vikraman/ghc,sdiehl/ghc,elieux/ghc,spacekitteh/smcghc,urbanslug/ghc,TomMD/ghc,spacekitteh/smcghc,mcschroeder/ghc,urbanslug/ghc,gcampax/ghc,siddhanathan/ghc,ml9951/ghc,christiaanb/ghc,mfine/ghc,urbanslug/ghc,wxwxwwxxx/ghc,sgillespie/ghc,vTurbine/ghc,sgillespie/ghc,ghc-android/ghc,forked-upstream-packages-for-ghcjs/ghc,GaloisInc/halvm-ghc,oldmanmike/ghc,shlevy/ghc,mettekou/ghc,mettekou/ghc,fmthoma/ghc,shlevy/ghc,mettekou/ghc,nathyong/microghc-ghc,ezyang/ghc,jstolarek/ghc,mettekou/ghc,AlexanderPankiv/ghc,ezyang/ghc,ml9951/ghc,TomMD/ghc,tjakway/ghcjvm,acowley/ghc,acowley/ghc,TomMD/ghc,siddhanathan/ghc,christiaanb/ghc,wxwxwwxxx/ghc,snoyberg/ghc,vikraman/ghc,ghc-android/ghc,mfine/ghc,fmthoma/ghc,elieux/ghc,snoyberg/ghc,TomMD/ghc,christiaanb/ghc,vTurbine/ghc,gridaphobe/ghc,christiaanb/ghc,christiaanb/ghc,forked-upstream-packages-for-ghcjs/ghc,green-haskell/ghc,da-x/ghc,oldmanmike/ghc,vikraman/ghc,vTurbine/ghc,snoyberg/ghc,wxwxwwxxx/ghc,spacekitteh/smcghc,mcschroeder/ghc,oldmanmike/ghc,mettekou/ghc,nkaretnikov/ghc,sgillespie/ghc,olsner/ghc,jstolarek/ghc,christiaanb/ghc,fmthoma/ghc,shlevy/ghc,green-haskell/ghc,mcschroeder/ghc,ml9951/ghc,vTurbine/ghc,gridaphobe/ghc,gridaphobe/ghc,GaloisInc/halvm-ghc,acowley/ghc,nushio3/ghc,green-haskell/ghc,gcampax/ghc,nushio3/ghc,tjakway/ghcjvm,sdiehl/ghc,olsner/ghc,elieux/ghc,bitemyapp/ghc,elieux/ghc,urbanslug/ghc