network-bridge: fix syntax error

Signed-off-by: Keir Fraser <keir@xensource.com>

diff --git a/tools/examples/network-bridge b/tools/examples/network-bridge
index b5e45a717fc68942aa4f918a583e395d21631639..2570d0faed69d6d096c99dc09ccccb191811c448 100755 (executable)
--- a/tools/examples/network-bridge
+++ b/tools/examples/network-bridge
@@ -60,7 +60,7 @@ findCommand "$@"
 evalVariables "$@"
 
 vifnum=${vifnum:-$(ip route list | awk '/^default / { print $NF }' | sed 's/^[^0-9]*//')}
-vifnum={$vifnum:-0}
+vifnum=${vifnum:-0}
 bridge=${bridge:-xenbr${vifnum}}
 netdev=${netdev:-eth${vifnum}}
 antispoof=${antispoof:-no}