base64: fix for unsigned chars (e.g. ARM).

[ccan] / ccan / str / test / compile_fail-isprint.c

diff --git a/ccan/str/test/compile_fail-isprint.c b/ccan/str/test/compile_fail-isprint.c
index 6432e41d2b7db9db5ddc0ecd35611fcc169e49d3..85ed028f60f1e99a4da8983e3f3df4800e5e88ad 100644 (file)
--- a/ccan/str/test/compile_fail-isprint.c
+++ b/ccan/str/test/compile_fail-isprint.c
@@ -3,6 +3,7 @@
 
 int main(int argc, char *argv[])
 {
+       (void)argc;
 #ifdef FAIL
 #if !HAVE_BUILTIN_TYPES_COMPATIBLE_P || !HAVE_TYPEOF
 #error We need typeof to check isprint.