indexer bumping: check the status of touch command to avoid cc warning

src/index/recollindex.cpp

@@ -502,9 +502,13 @@ static void lockorexit(Pidfile *pidfile, RclConfig *config)
                 string cmd("touch ");
                 string path = path_cat(config->getConfDir(), "recoll.conf");
                 cmd += path;
-                system(cmd.c_str());
-                cerr << "Monitoring indexer process was notified of "
-                    "indexing request\n";
+                int status;
+                if ((status = system(cmd.c_str()))) {
+                    cerr << cmd << " failed with status " << status << endl;
+                } else {
+                    cerr << "Monitoring indexer process was notified of "
+                        "indexing request\n";
+                }
             }
 #endif
         } else {

src/qtgui/rclm_idx.cpp

@@ -303,7 +303,10 @@ void RclMain::bumpIndexing()
         string cmd("touch ");
         string path = path_cat(theconfig->getConfDir(), "recoll.conf");
         cmd += path;
-        system(cmd.c_str());
+        int status;
+        if ((status = system(cmd.c_str()))) {
+            cerr << cmd << " failed with status " << status << endl;
+        }
     }
 }
 #else