cli: rename hledger.hs (but not the executable) to avoid mac build issues

Makefile

@@ -38,7 +38,7 @@ INCLUDEPATHS=\
 	-ihledger-web \
 	-ihledger-vty \
 	-ihledger-chart
-MAIN=hledger/hledger.hs
+MAIN=hledger/hledger-cli.hs
 
 # all source files in the project (plus a few strays like Setup.hs & hlint.hs)
 SOURCEFILES:= \

hledger/hledger.cabal

@@ -85,7 +85,7 @@ library
 -- - how it works seems ghc version dependent
 -- leksah is reported to have this working, http://hackage.haskell.org/packages/archive/leksah/0.10.0.4/leksah.cabal
 executable hledger
-  main-is:        hledger.hs
+  main-is:        hledger-cli.hs
   -- should be the same as above
   other-modules:
                   Hledger.Cli