Add some more $s to rules/haddock.mk for consistency

rules/haddock.mk

@@ -31,9 +31,9 @@ ifeq "$$(HSCOLOUR_SRCS)" "YES"
 $1_$2_HADDOCK_FLAGS += --hyperlink-source
 endif
 
-$$($$($1_PACKAGE)_HADDOCK_FILE) : $$(MKDIRHIER) $(INPLACE_BIN)/haddock$(exeext) $$(GHC_CABAL_INPLACE) $$($1_$2_HS_SRCS) $$($$($1_PACKAGE)_HADDOCK_DEPS)
+$$($$($1_PACKAGE)_HADDOCK_FILE) : $$(MKDIRHIER) $$(INPLACE_BIN)/haddock$$(exeext) $$(GHC_CABAL_INPLACE) $$($1_$2_HS_SRCS) $$($$($1_PACKAGE)_HADDOCK_DEPS)
 	$$(MKDIRHIER) $$(dir $$@)
-	$$(GHC_CABAL_INPLACE) haddock $2 $1 --with-haddock=$$(TOP)/$(INPLACE_BIN)/haddock --with-ghc=$$(TOP)/$(INPLACE_BIN)/ghc-stage2 $$($1_$2_HADDOCK_FLAGS) $$($1_$2_HADDOCK_OPTS)
+	$$(GHC_CABAL_INPLACE) haddock $2 $1 --with-haddock=$$(TOP)/$$(INPLACE_BIN)/haddock --with-ghc=$$(TOP)/$$(INPLACE_BIN)/ghc-stage2 $$($1_$2_HADDOCK_FLAGS) $$($1_$2_HADDOCK_OPTS)
 
 endif