fix share button image padding
fix share button image padding

dr0pthedoge/unitwallet-android,breadwallet/breadwallet-android,breadwallet/breadwallet-android,litecoin-foundation/loafwallet-android,breadwallet/breadwallet-android,litecoin-foundation/loafwallet-android,breadwallet/breadwallet-android,dr0pthedoge/unitwallet-android