Add short option for ratio

main.go

@@ -29,7 +29,7 @@ var params struct {
 	ToPerc             int64    `long:"pto" description:"channels with less than this outbound liquidity percentage will be considered as target channels" json:"pto"`
 	Perc               int64    `short:"p" long:"perc" description:"use this value as both pfrom and pto from above" json:"perc"`
 	Amount             int64    `short:"a" long:"amount" description:"amount to rebalance" json:"amount"`
-	EconRatio          float64  `long:"econ-ratio" description:"economical ratio for fee limit calculation as a multiple of target channel fee (for example, 0.5 means you want to pay at max half the fee you might earn for routing out of the target channel)" json:"econ_ratio"`
+	EconRatio          float64  `short:"r" long:"econ-ratio" description:"economical ratio for fee limit calculation as a multiple of target channel fee (for example, 0.5 means you want to pay at max half the fee you might earn for routing out of the target channel)" json:"econ_ratio"`
 	ProbeSteps         int      `short:"b" long:"probe-steps" description:"if the payment fails at the last hop try to probe lower amount using this many steps" json:"probe_steps"`
 	MinAmount          int64    `long:"min-amount" description:"if probing is enabled this will be the minimum amount to try" json:"min_amount"`
 	ExcludeChannelsIn  []uint64 `short:"i" long:"exclude-channel-in" description:"don't use this channel as incoming (can be specified multiple times)" json:"exclude_channels_in"`