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

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

diff --git a/ccan/cast/test/compile_fail-cast_signed-sizesame.c b/ccan/cast/test/compile_fail-cast_signed-sizesame.c
index 87da721647bea6ef3d40068cb5c124a41126c660..b6bbd28386361a6130bb0a0fe8999d2f95530376 100644 (file)
--- a/ccan/cast/test/compile_fail-cast_signed-sizesame.c
+++ b/ccan/cast/test/compile_fail-cast_signed-sizesame.c
@@ -6,7 +6,7 @@ struct char_struct {
        char c;
 };
 
-int main(int argc, char *argv[])
+int main(void)
 {
        unsigned char *uc;
 #ifdef FAIL
@@ -18,6 +18,7 @@ int main(int argc, char *argv[])
 
        uc = cast_signed(unsigned char *, p);
 
+       (void) uc; /* Suppress unused-but-set-variable warning. */
        return 0;
 }