autoconf: Checks for some library functions.

diff --git a/ssh-fetch.c b/ssh-fetch.c
index e3067b878e8721886c9fe61b136b46415165671d..1e59cd2008d8089efef74b940d1a1094add7e687 100644 (file)
--- a/ssh-fetch.c
+++ b/ssh-fetch.c
@@ -24,7 +24,7 @@ static ssize_t force_write(int fd, void *buffer, size_t length)
 {
        ssize_t ret = 0;
        while (ret < length) {
-               ssize_t size = write(fd, buffer + ret, length - ret);
+               ssize_t size = write(fd, (char *) buffer + ret, length - ret);
                if (size < 0) {
                        return size;
                }