Stop using deprecated Constants.CHARACTER_ENCODING

Change-Id: I105b8a05bc64f249879a0795a059958553cc60c6
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/MergeAlgorithmTest.java

@@ -302,7 +302,7 @@ public class MergeAlgorithmTest {
 		MergeResult r = new MergeAlgorithm().merge(RawTextComparator.DEFAULT,
 				T(commonBase), T(ours), T(theirs));
 		ByteArrayOutputStream bo=new ByteArrayOutputStream(50);
-		fmt.formatMerge(bo, r, "B", "O", "T", Constants.CHARACTER_ENCODING);
+		fmt.formatMerge(bo, r, "B", "O", "T", UTF_8.name());
 		return new String(bo.toByteArray(), UTF_8);
 	}
 

org.eclipse.jgit/src/org/eclipse/jgit/merge/ResolveMerger.java

@@ -46,11 +46,11 @@
  */
 package org.eclipse.jgit.merge;
 
+import static java.nio.charset.StandardCharsets.UTF_8;
 import static java.time.Instant.EPOCH;
 import static org.eclipse.jgit.diff.DiffAlgorithm.SupportedAlgorithm.HISTOGRAM;
 import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_DIFF_SECTION;
 import static org.eclipse.jgit.lib.ConfigConstants.CONFIG_KEY_ALGORITHM;
-import static org.eclipse.jgit.lib.Constants.CHARACTER_ENCODING;
 import static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
 
 import java.io.BufferedOutputStream;
@@ -1029,7 +1029,7 @@ public class ResolveMerger extends ThreeWayMerger {
 				db != null ? nonNullRepo().getDirectory() : null, inCoreLimit);
 		try {
 			new MergeFormatter().formatMerge(buf, result,
-					Arrays.asList(commitNames), CHARACTER_ENCODING);
+					Arrays.asList(commitNames), UTF_8.name());
 			buf.close();
 		} catch (IOException e) {
 			buf.destroy();