patch for autofs-5.1.8

oneechanhax-cubegame:/tmp/autofs# cat 0005-musl-mountoptions-fix.patch
diff --git a/lib/mounts.c b/lib/mounts.c
index 4c86688..2056498 100644
--- a/lib/mounts.c
+++ b/lib/mounts.c
@@ -2379,11 +2379,18 @@ void set_tsd_user_vars(unsigned int logopt, uid_t uid, gid_t gid)

    /* Try to get passwd info */

+   /* sysconf may return -1 with unchanged errno to indicate unlimited
+    * size, same for the call for _SC_GETGR_R_SIZE_MAX  below
+    */
+   errno = 0;
    tmplen = sysconf(_SC_GETPW_R_SIZE_MAX);
-   if (tmplen < 0) {
+   if (tmplen < 0 && errno != 0) {
        error(logopt, "failed to get buffer size for getpwuid_r");
        goto free_tsv;
    }
+   if (tmplen < 0)
+       tmplen = 1024;  /* assume something reasonable */
+

    pw_tmp = malloc(tmplen + 1);
    if (!pw_tmp) {
@@ -2416,11 +2423,14 @@ void set_tsd_user_vars(unsigned int logopt, uid_t uid, gid_t gid)

    /* Try to get group info */

+   errno = 0;
    grplen = sysconf(_SC_GETGR_R_SIZE_MAX);
-   if (grplen < 0) {
+   if (grplen < 0 && errno != 0) {
        error(logopt, "failed to get buffer size for getgrgid_r");
        goto free_tsv_home;
    }
+   if (grplen < 0)
+       grplen = 1024;

    gr_tmp = NULL;
    status = ERANGE;