Modified bgp file name according to naming convention.

Change-Id: I403139b53fbc1a2dba894dfd39720707a52ba7cd
diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrIgpFlags.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrIgpFlags.java
index a215e6f..dec3804 100755
--- a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrIgpFlags.java
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/attr/BgpPrefixAttrIgpFlags.java
@@ -18,9 +18,9 @@
 import java.util.Objects;
 
 import org.jboss.netty.buffer.ChannelBuffer;
-import org.onosproject.bgpio.exceptions.BGPParseException;
-import org.onosproject.bgpio.types.BGPErrorType;
-import org.onosproject.bgpio.types.BGPValueType;
+import org.onosproject.bgpio.exceptions.BgpParseException;
+import org.onosproject.bgpio.types.BgpErrorType;
+import org.onosproject.bgpio.types.BgpValueType;
 import org.onosproject.bgpio.util.Validation;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -30,7 +30,7 @@
 /**
  * Implements BGP prefix IGP Flag attribute.
  */
-public final class BgpPrefixAttrIgpFlags implements BGPValueType {
+public final class BgpPrefixAttrIgpFlags implements BgpValueType {
 
     protected static final Logger log = LoggerFactory
             .getLogger(BgpPrefixAttrIgpFlags.class);
@@ -88,10 +88,10 @@
      *
      * @param cb ChannelBuffer
      * @return object of BgpPrefixAttrIGPFlags
-     * @throws BGPParseException while parsing BgpPrefixAttrIGPFlags
+     * @throws BgpParseException while parsing BgpPrefixAttrIGPFlags
      */
     public static BgpPrefixAttrIgpFlags read(ChannelBuffer cb)
-            throws BGPParseException {
+            throws BgpParseException {
         boolean bisisUpDownBit = false;
         boolean bOspfNoUnicastBit = false;
         boolean bOspfLclAddrBit = false;
@@ -101,8 +101,8 @@
 
         if ((lsAttrLength != ATTR_PREFIX_FLAG_LEN)
                 || (cb.readableBytes() < lsAttrLength)) {
-            Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR,
-                                   BGPErrorType.ATTRIBUTE_LENGTH_ERROR,
+            Validation.validateLen(BgpErrorType.UPDATE_MESSAGE_ERROR,
+                                   BgpErrorType.ATTRIBUTE_LENGTH_ERROR,
                                    lsAttrLength);
         }