Fix spelling in error message in InfinispanDirectory.java

metadata is spelled incorrectly in InfinispanDirectory.java

— a/lucene-directory/src/main/java/org/infinispan/lucene/InfinispanDirectory.java
+++ b/lucene-directory/src/main/java/org/infinispan/lucene/InfinispanDirectory.java
@@ -283,7 +283,7 @@ public IndexInput openInput(String name) throws IOException {
final FileCacheKey fileKey = new FileCacheKey(indexName, name);
FileMetadata fileMetadata = (FileMetadata) metadataCache.get(fileKey);
if (fileMetadata == null)

{ - throw new FileNotFoundException("Error loading medatada for index file: " + fileKey); + throw new FileNotFoundException("Error loading metadata for index file: " + fileKey); }

else if (fileMetadata.getSize() <= fileMetadata.getBufferSize()) {
//files smaller than chunkSize don't need a readLock
@@ -293,7 +293,7 @@ else if (fileMetadata.getSize() <= fileMetadata.getBufferSize()) {
boolean locked = readLocks.acquireReadLock(name);
if (!locked)

{ // safest reaction is to tell this file doesn't exist anymore. - throw new FileNotFoundException("Error loading medatada for index file: " + fileKey); + throw new FileNotFoundException("Error loading metadata for index file: " + fileKey); }

return new InfinispanIndexInput(chunksCache, fileKey, fileMetadata, readLocks);
}