Suppress uninitialized-const-pointer warning

Bug: 432038197, 432033896
Change-Id: I3f5afcce4e74abdf5575431aff5473338041acbd
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/curl/+/1321797
Reviewed-by: Paul Kirth <paulkirth@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index ca914c5..2a03741 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -419,6 +419,9 @@
     "-Wno-conversion",
     "-Wno-implicit-fallthrough",
     "-Wno-unused-but-set-variable",
+
+    # TODO(https://fxbug.dev/432038197): update library to resolve this warning.
+    "-Wno-uninitialized-const-pointer",
   ]
 }