RFR: 8262041: javax/xml/jaxp/unittest/common/prettyprint/PrettyPrintTest.java fails after JDK-8260858

[Joe Wang]

A quick fix to the test, removing Windows carriage return in the result.

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Commit messages:
 - 8262041: javax/xml/jaxp/unittest/common/prettyprint/PrettyPrintTest.java fails after JDK-8260858

Changes: https://git.openjdk.java.net/jdk/pull/2656/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2656&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8262041
  Stats: 3 lines in 2 files changed: 0 ins; 1 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2656.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2656/head:pull/2656

PR: https://git.openjdk.java.net/jdk/pull/2656