[Wconversion] Suppress warnings
Bug: 56258
Bug: 58162

Change-Id: Iacb4083202f6f95c16bf3c52ee279311c7842b28
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/iperf/+/422705
Reviewed-by: Petr Hosek <phosek@google.com>
Reviewed-by: Shai Barack <shayba@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index b2c33a8..7dd8b95 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -32,6 +32,7 @@
 
 group("iperf") {
   deps = [ ":iperf3" ]
+
   # TODO(https://bugs.fuchsia.dev/p/fuchsia/issues/detail?id=48350):
   # Enable host build for non-linux hosts as well.
   #
@@ -95,6 +96,7 @@
     "_BSD_SOURCE",
     "_POSIX_C_SOURCE=200809L",
   ]
+  cflags = [ "-Wno-conversion" ]
   cflags_c = [
     "-Wno-format",
     "-Wno-implicit-int-float-conversion",