Fix build error signed/unsigned comparison

*buildrun.cxx - change const int severely_limited to const unsigned int

diff --git a/buildrun.cxx b/buildrun.cxx
index f7a0d09bd482a17ab009e34b2f478bb7ca68b6d8..3c26d5081ea8775a32d8fa6256ac9e49e67ad720 100644 (file)
--- a/buildrun.cxx
+++ b/buildrun.cxx
@@ -65,7 +65,7 @@ run_make_cmd(systemtap_session& s, vector<string>& make_cmd,
   // PR16276: but only if we're not running severely nproc-rlimited
   struct rlimit rlim;
   int rlimit_rc = getrlimit(RLIMIT_NPROC, &rlim);
-  const int severely_limited = smp*30; // WAG at number of gcc+make etc. nested processes
+  const unsigned int severely_limited = smp*30; // WAG at number of gcc+make etc. nested processes
   bool nproc_limited = (rlimit_rc == 0 && (rlim.rlim_max <= severely_limited || 
                                            rlim.rlim_cur <= severely_limited));
   if (smp >= 1 && !nproc_limited)