runmodes: improve listing output

This patch removes some multiple line displayed before the
information about unix socket mode.

src/runmodes.c

@@ -255,9 +255,11 @@ void RunModeListRunmodes(void)
             if (mode_displayed == 0)
                 mode_displayed = 1;
         }
+        if (mode_displayed == 1) {
             printf("|-----------------------------------------------------------------"
                    "-----------------------\n");
         } 
+    }
 
     return;
 }