FS_POSIX: Externalize log message

Change-Id: Ida538e05c4595fdce99f1fa87469a3be60160adb
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties

@@ -735,6 +735,7 @@ unexpectedEndOfConfigFile=Unexpected end of config file
 unexpectedEndOfInput=Unexpected end of input
 unexpectedEofInPack=Unexpected EOF in partially created pack
 unexpectedHunkTrailer=Unexpected hunk trailer
+unexpectedNlinkValue=nlink of link to lock file {0} was not 2 but {1}
 unexpectedOddResult=odd: {0} + {1} - {2}
 unexpectedPacketLine=unexpected {0}
 unexpectedRefReport={0}: unexpected ref report: {1}

org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java

@@ -795,6 +795,7 @@ public class JGitText extends TranslationBundle {
 	/***/ public String unexpectedEndOfInput;
 	/***/ public String unexpectedEofInPack;
 	/***/ public String unexpectedHunkTrailer;
+	/***/ public String unexpectedNlinkValue;
 	/***/ public String unexpectedOddResult;
 	/***/ public String unexpectedPacketLine;
 	/***/ public String unexpectedRefReport;

org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java

@@ -400,8 +400,9 @@ public class FS_POSIX extends FS {
 			Integer nlink = (Integer) (Files.getAttribute(lockPath,
 					"unix:nlink")); //$NON-NLS-1$
 			if (nlink > 2) {
-				LOG.warn("nlink of link to lock file {} was not 2 but {}", //$NON-NLS-1$
-						lock.getPath(), nlink);
+				LOG.warn(MessageFormat.format(
+						JGitText.get().unexpectedNlinkValue, lock.getPath(),
+						nlink));
 				return false;
 			} else if (nlink < 2) {
 				supportsUnixNLink = false;