Planning: fixed proto name of st_boundary_mappper.

modules/planning/conf/planning_config.pb.txt

@@ -120,4 +120,4 @@ em_planner_config {
             lowest_speed: 2.5
         }
     }
-}
\ No newline at end of file
+}

modules/planning/testdata/conf/st_boundary_config_file.pb.txt

@@ -5,7 +5,7 @@ follow_coeff:1.0
 follow_speed_threshold: 10.0
 follow_speed_damping_factor: 0.7
 success_tunnel:0.01
-expending_coeff: 1.2
+expanding_coeff: 1.2
 follow_distance_buffer: 5.0
 centric_acceleration_limit: 1.0
 kappa_threshold: 0.04

modules/planning/testdata/qp_spline_st_speed/st_boundary_config_file.pb.txt

@@ -5,7 +5,7 @@ follow_coeff:1.0
 follow_speed_threshold: 10.0
 follow_speed_damping_factor: 0.7
 success_tunnel:0.01
-expending_coeff: 1.2
+expanding_coeff: 1.2
 follow_distance_buffer: 5.0
 centric_acceleration_limit: 1.0
 kappa_threshold: 0.04