Update examples to use new module names

examples/plugs/runplugs/Main.hs

@@ -8,7 +8,7 @@
 -- | Runplugs: use hs-plugins to run a Haskell expression under
 -- controlled conditions.
 --
-import Eval.Haskell             (unsafeEval)
+import System.Eval.Haskell             (unsafeEval)
 
 import Data.Maybe               (isJust, fromJust)
 import Control.Monad            (when) 

examples/plugs/runplugs/Makefile

@@ -1,6 +1,6 @@
 GHCFLAGS=   -O
 PKGFLAGS=   -package-conf $(TOP)/plugins.conf.inplace
-PKGFLAGS+=  -package eval -package unix
+PKGFLAGS+=  -package plugins -package unix
 
 all: build