Adjust FreeType warning to avoid a Clang LLP64 build failure

third_party/freetype/BUILD.gn

Index: third_party/freetype/BUILD.gn
diff --git a/third_party/freetype/BUILD.gn b/third_party/freetype/BUILD.gn
index b2f02d3aa70bd919d8ba7cd2949976476f460255..eaeb6c1299be1dc8fc7774c543f9d3042c45df1e 100644
--- a/third_party/freetype/BUILD.gn
+++ b/third_party/freetype/BUILD.gn
@@ -17,7 +17,14 @@ config("freetype-warnings") {
   if (is_clang) {
     # The reduction of FreeType files to a minimum triggers -Wunused-function
     # warnings in ftbase.c
-    cflags += [ "-Wno-unused-function" ]
+
+    # "-Wno-int-to-pointer-cast" tracked by
+    # https://savannah.nongnu.org/bugs/index.php?50560,
+    # TODO(drott): Remove this once we roll past 7aeee3c50f2656b65f.
+    cflags += [
+      "-Wno-unused-function",
+      "-Wno-int-to-pointer-cast",
+    ]
   }
 }