Cast pointers used with %p format strings to void *

tests/libc/posix_memalign.c

Index: tests/libc/posix_memalign.c
diff --git a/tests/libc/posix_memalign.c b/tests/libc/posix_memalign.c
index d418822c003b3091a0a6d30dee0a536232579d9a..4423da0f3820b89641e8b24cd97caf3ebbdfa0b3 100644
--- a/tests/libc/posix_memalign.c
+++ b/tests/libc/posix_memalign.c
@@ -33,7 +33,7 @@ int main(int argc, char* argv[]) {
       }
       if ((size_t)outp % align_to_test[i] != 0) {
         fprintf(stderr, "posix_memalign failed to align to %zu: ptr=%p\n",
-                align_to_test[i], outp);
+                align_to_test[i], (void *)outp);
         return 1;
       }
       free(outp);