Fix build
diff --git a/BUILD b/BUILD
index 72fc965..2349019 100644
--- a/BUILD
+++ b/BUILD
@@ -231,6 +231,7 @@
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
     "src/core/lib/slice/percent_encoding.h",
+    "src/core/lib/slice/slice_internal.h",
     "src/core/lib/slice/slice_string_helpers.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
@@ -670,6 +671,7 @@
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
     "src/core/lib/slice/percent_encoding.h",
+    "src/core/lib/slice/slice_internal.h",
     "src/core/lib/slice/slice_string_helpers.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
@@ -1062,6 +1064,7 @@
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
     "src/core/lib/slice/percent_encoding.h",
+    "src/core/lib/slice/slice_internal.h",
     "src/core/lib/slice/slice_string_helpers.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
@@ -1625,6 +1628,7 @@
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
     "src/core/lib/slice/percent_encoding.h",
+    "src/core/lib/slice/slice_internal.h",
     "src/core/lib/slice/slice_string_helpers.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",
@@ -2654,6 +2658,7 @@
     "src/core/lib/json/json_reader.h",
     "src/core/lib/json/json_writer.h",
     "src/core/lib/slice/percent_encoding.h",
+    "src/core/lib/slice/slice_internal.h",
     "src/core/lib/slice/slice_string_helpers.h",
     "src/core/lib/surface/api_trace.h",
     "src/core/lib/surface/call.h",