[packages]: don't exit the sshd init script every time a key was created

git-svn-id: svn://svn.openwrt.org/openwrt/packages@31580 3c298f89-4303-0410-b956-a3cf2f4a3e73

net/openssh/files/sshd.init

@@ -13,9 +13,8 @@ start() {
 		[ ! -f $key ] && {
 			# generate missing keys
 			[ -x /usr/bin/ssh-keygen ] && {
-				/usr/bin/ssh-keygen -N '' -t $type -f $key 2>&- >&- && exec /etc/rc.common "$initscript" start
-			} &
-			exit 0
+				/usr/bin/ssh-keygen -N '' -t $type -f $key 2>&- >&-
+			}
 		}
 	}; done
 	user_exists sshd 22 || user_add sshd 22 22 sshd /var/empty