Task #9939: Cobalt getOutputProcHosts: fix trailing space. When coverted to a...

Task #9939: Cobalt getOutputProcHosts: fix trailing space. When coverted to a ',', 'srun -w' can still deal with it, but other parts of our shell scripts do not like it

RTCP/Cobalt/GPUProc/src/getOutputProcHosts.cc

@@ -71,11 +71,14 @@ int main(int argc, char **argv)
   Parset ps(argv[optind]);
 
   // Get the list of stations and output to stdout space separated
-  for (std::vector<string>::const_iterator host = ps.settings.outputProcHosts.begin();
-       host != ps.settings.outputProcHosts.end();
-       ++host)
-  {
-    cout << *host << " ";
+  std::vector<string>::const_iterator host = ps.settings.outputProcHosts.begin();
+  if (host != ps.settings.outputProcHosts.end()) {
+    cout << *host;
+    ++host;
+
+    for ( ; host != ps.settings.outputProcHosts.end(); ++host) {
+      cout << ' ' << *host;
+    }
   }
 
   return 0;