battery: let's finally allow the battery process to rest also when enlightenment die.

src/modules/battery/e_mod_main.c

@@ -388,7 +388,8 @@ _battery_config_updated(void)
         battery_config->batget_exe =
           ecore_exe_pipe_run(buf, ECORE_EXE_PIPE_READ |
                              ECORE_EXE_PIPE_READ_LINE_BUFFERED |
-                             ECORE_EXE_NOT_LEADER, NULL);
+                             ECORE_EXE_NOT_LEADER |
+                             ECORE_EXE_TERM_WITH_PARENT, NULL);
      }
 }