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

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

diff --git a/ccan/cast/test/compile_fail-cast_signed-const.c b/ccan/cast/test/compile_fail-cast_signed-const.c
index 791d9b84529aa4bad527ec18294ff079a1b547bd..26bf8974ea48d6e82e6dda4de0f71f6f0878bd9e 100644 (file)
--- a/ccan/cast/test/compile_fail-cast_signed-const.c
+++ b/ccan/cast/test/compile_fail-cast_signed-const.c
@@ -1,7 +1,7 @@
 #include <ccan/cast/cast.h>
 #include <stdlib.h>
 
-int main(int argc, char *argv[])
+int main(void)
 {
        unsigned char *uc;
 #ifdef FAIL
@@ -11,6 +11,7 @@ int main(int argc, char *argv[])
                *p = NULL;
 
        uc = cast_signed(unsigned char *, p);
+       (void) uc; /* Suppress unused-but-set-variable warning. */
        return 0;
 }