Add explicit chmod since mkdir combines the given mode with the

current umask, and so I don't get the protection value I want.
Too lazy to go figure it out, and adding a chmod was easiest!

tbsetup/mkprojdir

@@ -80,6 +80,10 @@ if (! mkdir("$PROJROOT/$pid", 0770)) {
     die("Could not make directory $PROJROOT/$pid: $!\n");
 }
 
+if (! chmod(0770, "$PROJROOT/$pid")) {
+    die("Could not chmod directory $PROJROOT/$pid: $!\n");
+}
+
 if (! chown($uid, $gid, "$PROJROOT/$pid")) {
     die("Could not chown $PROJROOT/$pid to $uid/$gid: $!\n");
 }
@@ -90,6 +94,9 @@ if (! chown($uid, $gid, "$PROJROOT/$pid")) {
 if (! mkdir("$PROJROOT/$pid/exp", 0770)) {
     die("Could not make directory $PROJROOT/$pid/exp: $!\n");
 }
+if (! chmod(0770, "$PROJROOT/$pid/exp")) {
+    die("Could not chmod directory $PROJROOT/$pid/exp: $!\n");
+}
 if (! chown($uid, $gid, "$PROJROOT/$pid/exp")) {
     die("Could not chown $PROJROOT/$pid/exp to $uid/$gid: $!\n");
 }