[설정][Bug] 설정 이메일 등록시 null 에러 수정

app/src/main/java/kr/co/zumo/app/lifeplus/view/screen/setting/common/SettingMemberInfoModel.java

@@ -177,7 +177,11 @@ public class SettingMemberInfoModel extends Model {
    */
   public int verifyEmail() {
     int result;
-    int len = getInputEmail().length();
+    int len = 0;
+    
+    if (null != getInputEmail()) {
+      len = getInputEmail().length();
+    }
     if (len == 0) {
       result = Verifier.READY;
     }