Perform haddock recipe before build recipe (Closes: #1010739)

Evidently, haddock wipes out some of the files created by the build
recipe (specifically at least the in-place registration files in
dist-ghc/package.conf.inplace), so move it before build.

hlibrary.mk

@@ -151,7 +151,7 @@ $(DEB_SETUP_BIN_NAME):
 
 build-ghc-stamp: $(DEB_SETUP_BIN_NAME)
 	perl -d:Confess -MDebian::Debhelper::Buildsystem::Haskell::Recipes=/.*/ \
-		-E 'configure_recipe; build_recipe; haddock_recipe; check_recipe'
+		-E 'configure_recipe; haddock_recipe; build_recipe; check_recipe'
 	touch $@
 
 build/%-dev build/%-prof build/%-doc:: build-ghc-stamp