update_engine: fix -Wbraced-scalar-init warning.

BUG=chromium:467968
TEST=the warning is gone.

Change-Id: I74b464fc0342c2e7848df2047b54cccbb2aeb52c
Reviewed-on: https://chromium-review.googlesource.com/260590
Reviewed-by: Alex Deymo <deymo@chromium.org>
Commit-Queue: Yunlian Jiang <yunlian@chromium.org>
Tested-by: Yunlian Jiang <yunlian@chromium.org>
diff --git a/omaha_request_params.cc b/omaha_request_params.cc
index 7a3087c..9388715 100644
--- a/omaha_request_params.cc
+++ b/omaha_request_params.cc
@@ -122,14 +122,13 @@
 }
 
 bool OmahaRequestParams::CollectECFWVersions() const {
-  return {
+  return
       StartsWithASCII(hwid_, string("SAMS ALEX"), true) ||
       StartsWithASCII(hwid_, string("BUTTERFLY"), true) ||
       StartsWithASCII(hwid_, string("LUMPY"), true) ||
       StartsWithASCII(hwid_, string("PARROT"), true) ||
       StartsWithASCII(hwid_, string("SPRING"), true) ||
-      StartsWithASCII(hwid_, string("SNOW"), true)
-  };
+      StartsWithASCII(hwid_, string("SNOW"), true);
 }
 
 bool OmahaRequestParams::SetTargetChannel(const string& new_target_channel,