Update name

Signed-off-by: Craig Perkins <cwperx@amazon.com>

modules/transport-netty4/src/main/java/org/opensearch/http/netty4/Netty4HttpServerTransport.java

@@ -539,7 +539,7 @@ protected HttpContentDecompressor createDecompressor() {
         return new HttpContentDecompressor();
     }
 
-    protected ChannelInboundHandlerAdapter creategetHeaderVerifier() {
+    protected ChannelInboundHandlerAdapter createHeaderVerifier() {
         // pass-through
         return new ChannelInboundHandlerAdapter();
     }