Update includes of mojo/edk to be fully-qualified instead of relative to third_party/mojo/src.

third_party/mojo/src/mojo/edk/system/remote_data_pipe_ack.h

Index: third_party/mojo/src/mojo/edk/system/remote_data_pipe_ack.h
diff --git a/third_party/mojo/src/mojo/edk/system/remote_data_pipe_ack.h b/third_party/mojo/src/mojo/edk/system/remote_data_pipe_ack.h
index dea0b18a91dcc6c22348003151163dc1156ce993..569cc21e958a4faba34b00fa6d0cddae05811c5b 100644
--- a/third_party/mojo/src/mojo/edk/system/remote_data_pipe_ack.h
+++ b/third_party/mojo/src/mojo/edk/system/remote_data_pipe_ack.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MOJO_EDK_SYSTEM_REMOTE_DATA_PIPE_ACK_H_
-#define MOJO_EDK_SYSTEM_REMOTE_DATA_PIPE_ACK_H_
+#ifndef THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_REMOTE_DATA_PIPE_ACK_H_
+#define THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_REMOTE_DATA_PIPE_ACK_H_
 
 #include <stdint.h>
 
@@ -19,4 +19,4 @@ struct RemoteDataPipeAck {
 }  // namespace system
 }  // namespace mojo
 
-#endif  // MOJO_EDK_SYSTEM_REMOTE_DATA_PIPE_ACK_H_
+#endif  // THIRD_PARTY_MOJO_SRC_MOJO_EDK_SYSTEM_REMOTE_DATA_PIPE_ACK_H_