http://tmux.svn.sourceforge.net/viewvc/tmux?view=revision&revision=2589
--- trunk/osdep-sunos.c	2011/07/09 09:42:33	2553
+++ trunk/osdep-sunos.c	2011/09/11 23:54:32	2589
@@ -41,14 +41,13 @@
 	if ((f = open(tty, O_RDONLY)) < 0)
 		return (NULL);
 
-	if ((fstat(f, &st) != 0) ||
-	    (ioctl(f, TIOCGPGRP, &pgrp) != 0)) {
+	if (fstat(f, &st) != 0 || ioctl(f, TIOCGPGRP, &pgrp) != 0) {
 		close(f);
 		return (NULL);
 	}
 	close(f);
 
-	xasprintf(&path, "/proc/%hu/psinfo", pgrp);
+	xasprintf(&path, "/proc/%u/psinfo", (u_int) pgrp);
 	f = open(path, O_RDONLY);
 	xfree(path);
 	if (f < 0)