allowing hard and soft limit changes in chpst

hard_soft_limits_chpst.diff

--- src/chpst.c.orig	2009-10-04 22:44:02.000000000 +0200
+++ src/chpst.c	2012-09-20 20:53:01.000000000 +0200
@@ -168,7 +168,13 @@
   struct rlimit r;
 
   if (getrlimit(what, &r) == -1) fatal("unable to getrlimit()");
-  if ((l < 0) || (l > r.rlim_max))
+  if (l > r.rlim_max) {
+    if (geteuid() == 0)
+      r.rlim_cur =r.rlim_max =l;
+    else
+      r.rlim_cur =r.rlim_max;
+  }
+  else if (l < 0)
     r.rlim_cur =r.rlim_max;
   else
     r.rlim_cur =l;