Fix breakpad client build.

- Was broken by a rename in http upload util code.

Change-Id: I72c275fe45638c83e535901e79817893b00ee62e
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/1673138
Reviewed-by: Ivan Penkov <ivanpe@chromium.org>
diff --git a/src/client/windows/sender/crash_report_sender.cc b/src/client/windows/sender/crash_report_sender.cc
index 70c36b0..eb2b422 100644
--- a/src/client/windows/sender/crash_report_sender.cc
+++ b/src/client/windows/sender/crash_report_sender.cc
@@ -68,7 +68,7 @@
   }
 
   int http_response = 0;
-  bool result = HTTPUpload::SendRequest(
+  bool result = HTTPUpload::SendMultipartPostRequest(
     url, parameters, files, NULL, report_code,
     &http_response);