Fix arguments mismatch insanity

My reverting some of dtbartle's zfs-related stuff left us with a
hybrid zfsaddhomedir that was insane. This became a simpleaddhomedir
that was almost as insane.

src/addhomedir.c

@@ -16,7 +16,7 @@
 int ceo_create_home(char *homedir, char *refquota, uid_t uid, gid_t gid, char *mode, char *acl) {
     char uid_str[16], gid_str[16];
     char *zfs_argv[] = { "ssh", "ceo@ginseng", "/usr/sbin/simpleaddhomedir", \
-        homedir, refquota, skeleton_dir, uid_str, gid_str, mode, acl, NULL };
+        homedir, skeleton_dir, uid_str, gid_str, mode, NULL };
     int ret = 0;
 
     assert(homedir[0]);

src/simpleaddhomedir.c

@@ -16,13 +16,12 @@ int main(int argc, char *argv[]) {
 
     char *homedir = argv[1];
     char *skeldir = argv[2];
-    char *mode = argv[5];
     uid_t uid, gid;
     char *mkdir_bin = "/bin/mkdir";
     char *chmod_bin = "/bin/chmod";
     char *dataset = homedir;
     char *create_argv[] = { "mkdir", dataset, NULL };
-    char *mode_argv[] = { "chmod", mode, homedir, NULL };
+    char *mode_argv[] = { "chmod", "0755", homedir, NULL };
     DIR *skel;
     struct dirent *skelent;
 
@@ -30,6 +29,9 @@ int main(int argc, char *argv[]) {
     uid = atol(argv[3]);
     gid = atol(argv[4]);
 
+    if (setreuid(0, 0))
+        fatalpe("ogawd");
+
     if(spawnv(mkdir_bin, create_argv))
         return 1;
     //Quotas are ignored now, or so I'm told.