Update makefiles after merge of Chromium at 250727

This commit was generated by merge_from_chromium.py.

Change-Id: I8c6b1c72f661e28b72549d0364dc59cdc82c6307
diff --git a/ft2.target.darwin-arm.mk b/ft2.target.darwin-arm.mk
index fc76886..c085a68 100644
--- a/ft2.target.darwin-arm.mk
+++ b/ft2.target.darwin-arm.mk
@@ -70,6 +70,7 @@
 	-Wno-extra \
 	-Wno-ignored-qualifiers \
 	-Wno-type-limits \
+	-Wno-unused-but-set-variable \
 	-Wno-address \
 	-Wno-format-security \
 	-Wno-return-type \
@@ -161,6 +162,7 @@
 	-Wno-extra \
 	-Wno-ignored-qualifiers \
 	-Wno-type-limits \
+	-Wno-unused-but-set-variable \
 	-Wno-address \
 	-Wno-format-security \
 	-Wno-return-type \