Fix wrong warning message in case of lock failures

Bug: 537969
Change-Id: I0854bbbe7393abaca36640d429886c30d95d5bf1
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java
index a2923db..3abf4dc 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java
@@ -389,7 +389,7 @@ public boolean createNewFile(File lock) throws IOException {
 			Integer nlink = (Integer) (Files.getAttribute(lockPath,
 					"unix:nlink")); //$NON-NLS-1$
 			if (nlink != 2) {
-				LOG.warn("nlink of link to lock file {0} was not 2 but {1}", //$NON-NLS-1$
+				LOG.warn("nlink of link to lock file {} was not 2 but {}", //$NON-NLS-1$
 						lock.getPath(), nlink);
 				return false;
 			}