incorrect mapping - `if` block - apache/commons-lang

[flozender]

If this file NumberUtils.java block R608 here was introduced, and block R606 should be mapped with L614 but the mapping for these two blocks has been swapped.

[flozender]

Correct change history for R608:

  "expectedChanges": [
    {
      "parentCommitId": "7fd021d82ff431fb31f42bc6c5c44a3b979cb426",
      "commitId": "8d6bc0ca625f3a1a98b486541fa613b2fac4b41c",
      "commitTime": 1465730635,
      "changeType": "introduced",
      "elementFileBefore": "src/main/java/org/apache/commons/lang3/math/NumberUtils.java",
      "elementNameBefore": "src/main/java/org.apache.commons.lang3.math.NumberUtils#createNumber(String)$if(608-610)",
      "elementFileAfter": "src/main/java/org/apache/commons/lang3/math/NumberUtils.java",
      "elementNameAfter": "src/main/java/org.apache.commons.lang3.math.NumberUtils#createNumber(String)$if(608-610)",
      "comment": "new block"
    }
  ]

[flozender]

Correct change history for R606:

"expectedChanges": [
    {
      "parentCommitId": "f55530a2ffd3c481f6554d98e9d73f2e8c62ec8d",
      "commitId": "dfd69e038cc7035031d1807c4ade870d2a7e2ece",
      "commitTime": 1479505124,
      "changeType": "body change",
      "elementFileBefore": "src/main/java/org/apache/commons/lang3/math/NumberUtils.java",
      "elementNameBefore": "src/main/java/org.apache.commons.lang3.math.NumberUtils#createNumber(String)$if(607-613)",
      "elementFileAfter": "src/main/java/org/apache/commons/lang3/math/NumberUtils.java",
      "elementNameAfter": "src/main/java/org.apache.commons.lang3.math.NumberUtils#createNumber(String)$if(607-613)"
    },
    {
      "parentCommitId": "7fd021d82ff431fb31f42bc6c5c44a3b979cb426",
      "commitId": "8d6bc0ca625f3a1a98b486541fa613b2fac4b41c",
      "commitTime": 1465730635,
      "changeType": "introduced",
      "elementFileBefore": "src/main/java/org/apache/commons/lang3/math/NumberUtils.java",
      "elementNameBefore": "src/main/java/org.apache.commons.lang3.math.NumberUtils#createNumber(String)$if(606-612)",
      "elementFileAfter": "src/main/java/org/apache/commons/lang3/math/NumberUtils.java",
      "elementNameAfter": "src/main/java/org.apache.commons.lang3.math.NumberUtils#createNumber(String)$if(606-612)",
      "comment": "new block"
    }
  ]

[tsantalis]