pvlist remove comma

some shells will include the trailing ',' in selection
when double clicking.  Users find this annoying.

pvtoolsSrc/pvlist.cpp

@@ -580,7 +580,7 @@ int main (int argc, char *argv[])
         {
             const ServerEntry& entry = iter->second;
 
-            cout << "GUID 0x" << entry.guid << ", version " << (int)entry.version << ": "
+            cout << "GUID 0x" << entry.guid << " version " << (int)entry.version << ": "
                  << entry.protocol << "@[";
 
             size_t count = entry.addresses.size();