fixed a bug in the code for a listing to validate a coupon does not exceed the listing price
fixed a bug in the code for a listing to validate a coupon does not exceed the listing price

jashot7/openbazaar-desktop,OpenBazaar/openbazaar-desktop,OpenBazaar/openbazaar-desktop,jashot7/openbazaar-desktop,jjeffryes/openbazaar-desktop,jjeffryes/openbazaar-desktop,OpenBazaar/openbazaar-desktop,jjeffryes/openbazaar-desktop,jashot7/openbazaar-desktop