InvalidPatternException: Add constructor that takes Throwable

Change-Id: Idadec0abc1c6d76f19f51a65a4b45df444c20486
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit/src/org/eclipse/jgit/errors/InvalidPatternException.java

@@ -66,6 +66,23 @@ public class InvalidPatternException extends Exception {
 		this.pattern = pattern;
 	}
 
+	/**
+	 * Constructor for InvalidPatternException
+	 *
+	 * @param message
+	 *            explains what was wrong with the pattern.
+	 * @param pattern
+	 *            the invalid pattern.
+	 * @param cause
+	 *            the cause.
+	 * @since 4.10
+	 */
+	public InvalidPatternException(String message, String pattern,
+			Throwable cause) {
+		this(message, pattern);
+		initCause(cause);
+	}
+
 	/**
 	 * Get the invalid pattern
 	 *

org.eclipse.jgit/src/org/eclipse/jgit/ignore/internal/Strings.java

@@ -442,12 +442,10 @@ public class Strings {
 		try {
 			return Pattern.compile(sb.toString());
 		} catch (PatternSyntaxException e) {
-			InvalidPatternException patternException = new InvalidPatternException(
+			throw new InvalidPatternException(
 					MessageFormat.format(JGitText.get().invalidIgnoreRule,
 							pattern),
-					pattern);
+					pattern, e);
-			patternException.initCause(e);
-			throw patternException;
 		}
 	}