getArgs is in System.Environment by default in GHC

gcd.hs:1:8:
    Could not find module `System'
    It is a member of the hidden package `haskell98-2.0.0.2'.
    Use -v to see a list of the files searched for.

1 files changed, 1 insertions, 1 deletions

diff --git a/gcd.hs b/gcd.hs
index c326115..078563d 100644
--- a/gcd.hs
+++ b/gcd.hs
@@ -1,4 +1,4 @@
-import System(getArgs)
+import System.Environment(getArgs)
 
 gcd2 a 0 = a
 gcd2 a b = gcd2 b (rem b a)