[bazel] SQUASH ME: toolchain warnings

Signed-off-by: James Wainwright <[email protected]>

Author: jwnrt

toolchain/BUILD

@@ -236,14 +236,17 @@ cc_args(
         "-Wimplicit-fallthrough",
         "-Winvalid-pch",
         "-Wno-covered-switch-default",
+        "-Wno-error=unused",
         "-Wno-error=unused-function",
+        "-Wno-error=unused-parameter",
         "-Wno-gnu-statement-expression-from-macro-expansion",
         "-Wno-gnu-zero-variadic-macro-arguments",
         "-Wno-missing-field-initializers",
         "-Wno-sign-compare",
-        "-Wno-unused-parameter",
         "-Wstrict-prototypes",
         "-Wswitch-default",
+        "-Wunused",
+        "-Wunused-parameter",
     ],
 )