[icu] Fix the build following the merge.

Change-Id: Ia45dbdf03677f48219a3bb50588c9eda99bccfb6
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/icu/+/421338
Reviewed-by: Filip Filmar <fmil@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index 7dee22c..3c0b593 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -151,7 +151,9 @@
   if (defined(invoker.extra_configs)) {
     extra_configs += invoker.extra_configs
   }
-  component(target_name) {
+  # <fuchsia-icu>
+  target(default_library_type, target_name) {
+  # </fuchsia-icu>
     # find  source/i18n -maxdepth 1  ! -type d  | egrep  '\.(c|cpp|h)$' |\
     # sort | sed 's/^\(.*\)$/    "\1",/'
     sources = [
@@ -725,7 +727,9 @@
   if (defined(invoker.fuchsia_output_name_postfix)) {
     fuchsia_output_name_postfix = invoker.fuchsia_output_name_postfix
   }
-  component(target_name) {
+  # <fuchsia-icu>
+  target(default_library_type, target_name) {
+  # </fuchsia-icu>
     # find  source/common -maxdepth 1  ! -type d  | egrep  '\.(c|cpp|h)$' |\
     # sort | sed 's/^\(.*\)$/    "\1",/'
     sources = [