8061826: Part of JDK-8060474 should be reverted

Reviewed-by: mullan, ahgross

src/share/classes/sun/security/krb5/internal/ktab/KeyTabInputStream.java

@@ -58,7 +58,7 @@ public class KeyTabInputStream extends KrbDataInputStream implements KeyTabConst
      * Reads the number of bytes this entry data occupy.
      */
     int readEntryLength() throws IOException {
-        return readLength4();
+        return read(4);
     }
 
 

src/share/classes/sun/security/krb5/internal/util/KrbDataInputStream.java

@@ -82,7 +82,7 @@ public class KrbDataInputStream extends BufferedInputStream{
         byte[] bytes = new byte[num];
         if (read(bytes, 0, num) != num) {
             throw new IOException("Premature end of stream reached");
-        };
+        }
         int result = 0;
         for (int i = 0; i < num; i++) {
             if (bigEndian) {