미납금관리 버그 수정

src/main/java/com/oqpo/api/web/dto/response/loanmng/UnpaidMngListResponse.java

@@ -31,13 +31,13 @@ public class UnpaidMngListResponse {
     @ApiModelProperty(value = "정산요청일자")
     private String sttlReqDt;
     @ApiModelProperty(value = "정산요청금액")
-    private long sttlReqAmt;
+    private Long sttlReqAmt;
     @ApiModelProperty(value = "정산일자")
     private String sttlDt;
     @ApiModelProperty(value = "정산금액")
-    private long sttlAmt;
+    private Long sttlAmt;
     @ApiModelProperty(value = "계좌잔액")
-    private long acctBal;
+    private Long acctBal;
     @ApiModelProperty(value = "여신구분")
     private String loanDvsn;
     @ApiModelProperty(value = "여신구분명")