[Wconversion] Suppress warnings
Bug: 56258
Bug: 58162

Change-Id: If22e4b4e5325114f81055c2b8b2d5e338badb088
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/glog/+/422700
Reviewed-by: Petr Hosek <phosek@google.com>
Reviewed-by: Shai Barack <shayba@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index 992bbf7..cb75d65 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -43,12 +43,11 @@
     "src/vlog_is_on.cc",
   ]
   public_configs = [ ":glog_config" ]
-  deps = [
-    "//third_party/gflags",
-  ]
+  deps = [ "//third_party/gflags" ]
 
   if (current_os == "linux") {
     defines = [ "HAVE_SYSCALL_H" ]
     cflags_cc = [ "-Wno-sign-compare" ]
   }
+  cflags = [ "-Wno-conversion" ]
 }