Do not throw EOF exception on checksum stream read

Currently BufferedChecksumStreamInput#read will throw EOFException
because it delegates to #readByte(). However, when the end of stream has
been reached for #read() this method should return -1.

server/src/main/java/org/elasticsearch/index/translog/BufferedChecksumStreamInput.java

@@ -13,6 +13,7 @@
 import org.elasticsearch.common.io.stream.FilterStreamInput;
 import org.elasticsearch.common.io.stream.StreamInput;
 
+import java.io.EOFException;
 import java.io.IOException;
 import java.util.zip.CRC32;
 import java.util.zip.Checksum;
@@ -101,7 +102,11 @@ public void reset() throws IOException {
 
     @Override
     public int read() throws IOException {
-        return readByte() & 0xFF;
+        try {
+            return readByte() & 0xFF;
+        } catch (EOFException e) {
+            return -1;
+        }
     }
 
     @Override