8298710: Fix typos in test/jdk/sun/security/tools/jarsigner/

Co-authored-by: Michael Ernst <mernst@openjdk.org>
Reviewed-by: lancea

test/jdk/javax/security/auth/x500/X500Principal/EscapedChars.java

@@ -38,7 +38,7 @@ public class EscapedChars {
 
         System.out.println("RFC2253 DN is " +
             xp.getName(X500Principal.RFC2253));
-        System.out.println("CANONICAL DN is is " +
+        System.out.println("CANONICAL DN is " +
             xp.getName(X500Principal.CANONICAL));
 
         String dn1 = xp.getName(X500Principal.CANONICAL);

test/jdk/sun/security/tools/jarsigner/DigestDontIgnoreCase.java

@@ -47,7 +47,7 @@ import static java.nio.charset.StandardCharsets.UTF_8;
  */
 /*
  * <pre>mfDigest.equalsIgnoreCase(base64Digests[i])</pre>
- * previously in JarSigner.java on on line 985
+ * previously in JarSigner.java on line 985
  * @see jdk.security.jarsigner.JarSigner#updateDigests
  */
 public class DigestDontIgnoreCase {

test/jdk/sun/security/tools/jarsigner/FindHeaderEndVsManifestDigesterFindFirstSection.java

@@ -217,7 +217,7 @@ public class FindHeaderEndVsManifestDigesterFindFirstSection {
      * <li>which is then passed on as the third parameter to the constructor
      * of a new {@link ManifestDigester.Section#Section} by
      * <pre>new Section(0, pos.endOfSection + 1, pos.startOfNext, rawBytes)));</pre>
-     * in in ManifestDigester.java:128</li>
+     * in ManifestDigester.java:128</li>
      * <li>where it is assigned to
      * {@link ManifestDigester.Section#lengthWithBlankLine} by
      * <pre>this.lengthWithBlankLine = lengthWithBlankLine;</pre>