cast, container_of, tlist: Fix warning with GCC 4.6: -Wunused-but-set-variable

[ccan] / ccan / cast / test / compile_fail-cast_signed.c

diff --git a/ccan/cast/test/compile_fail-cast_signed.c b/ccan/cast/test/compile_fail-cast_signed.c
index 5b182ab5ba70dcbc08e99c4ec043af7b69bedce6..66bcc0a1b5ef6f6bed57d9870d81ce00cebb5b50 100644 (file)
--- a/ccan/cast/test/compile_fail-cast_signed.c
+++ b/ccan/cast/test/compile_fail-cast_signed.c
@@ -12,5 +12,6 @@ int main(int argc, char *argv[])
                *p = NULL;
 
        uc = cast_signed(unsigned char *, p);
+       (void) uc; /* Suppress unused-but-set-variable warning. */
        return 0;
 }