Fix move_base map remapping. Without slash or it does not work

launch/include/move_base.launch

@@ -10,7 +10,7 @@
   <arg name="costmap_local_params"     default="local_params.yaml"/>
   <arg name="costmap_global_params"    default="global_params.yaml"/>
   <arg name="use_map"                  default="true"/>
-  <arg name="map_topic"                default="/$(arg ns)/map)"/>
+  <arg name="map_topic"                default="/$(arg ns)/map"/>
   <arg name="odom_topic"               default="/$(arg ns)/odom"/>
   <arg name="cmd_vel_topic"            default="/$(arg ns)/navigation/cmd_vel"/>
   <arg name="local_planner"            default="dwa"/>
@@ -29,7 +29,7 @@
           name="$(arg move_base_name)"
           output="$(arg output)"
           launch-prefix="$(arg launch_prefix)">
-      <remap from="/map"    to="$(arg map_topic)" />
+      <remap from="map"    to="$(arg map_topic)" />
       <remap from="cmd_vel" to="$(arg cmd_vel_topic)" />
       <remap from="odom"    to="$(arg odom_topic)" />
       <remap from="move_base_simple/goal"    to="$(arg move_base_name)_simple/goal" />