[ghc] fix singleton sed

[Jens Petersen]

commit 2c5003301b2cef81864823e9265a208b440d0303
Author: Jens Petersen <petersen at redhat.com>
Date:   Sun Feb 13 22:53:48 2011 +1000

    fix singleton sed

 pkg-deps.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/pkg-deps.sh b/pkg-deps.sh
index 5387c43..4cb0011 100755
--- a/pkg-deps.sh
+++ b/pkg-deps.sh
@@ -43,7 +43,7 @@ GHC_PKGS="array base-4 base-3 bin-package-db $(ghc-pkg --simple-output list byte
 for i in $GHC_PKGS; do sed -i -e /$i/d pkgs.dot; done
 
 # remove singletons
-sed -i -e /^"[^ ]*"$/d pkgs.dot
+sed -i -e '/^"[^ ]*"$/d' pkgs.dot
 
 which tred &>/dev/null || { echo "graphviz is needed to generate graph" ; exit 1 ; }
 cat pkgs.dot | tred | dot -Nfontsize=8 -Tsvg >pkgs.svg