Remove trailing whitespace

Author: garydgregory

src/main/java/org/apache/commons/csv/CSVPrinter.java

@@ -341,7 +341,7 @@ private void printRecordObject(final Object value) throws IOException {
      * </p>
      *
      * <pre>
-     * {@code 
+     * {@code
      * A, B, C
      * 1, 2, 3
      * A1, B2, C3
@@ -383,7 +383,7 @@ public void printRecords(final Iterable<?> values) throws IOException {
      * Calling this method will print:
      * </p>
      *
-     * <pre>{@code 
+     * <pre>{@code
      * A, B, C
      * 1, 2, 3
      * A1, B2, C3
@@ -473,7 +473,7 @@ public void printRecords(final ResultSet resultSet, final boolean printHeader) t
      * </p>
      *
      * <pre>
-     * {@code 
+     * {@code
      * A, B, C
      * 1, 2, 3
      * A1, B2, C3