Fixes potential bankroll total issue

app/src/main/java/net/pokeranalytics/android/calculus/bankroll/BankrollReport.kt

@@ -62,6 +62,10 @@ class BankrollReport(var setup: BankrollReportSetup) : RowRepresentable {
 	 * The initial value of the bankroll, or of all bankrolls if virtual is computed
 	 */
 	var initial: Double = 0.0
+		set(value) {
+			field = value
+			this.computeBankrollTotal()
+		}
 
 	/**
 	 * The net result from poker computables