Fix max acceleration limits in planner

The max acceleration limiting was in wrong place.

Marlin/planner.cpp

@@ -915,16 +915,17 @@ Having the real displacement of the head, we can calculate the total movement le
   else
   {
     block->acceleration_st = ceil(acceleration * steps_per_mm); // convert to: acceleration steps/sec^2
-    // Limit acceleration per axis
-    if(((float)block->acceleration_st * (float)block->steps_x / (float)block->step_event_count) > axis_steps_per_sqr_second[X_AXIS])
-      block->acceleration_st = axis_steps_per_sqr_second[X_AXIS];
-    if(((float)block->acceleration_st * (float)block->steps_y / (float)block->step_event_count) > axis_steps_per_sqr_second[Y_AXIS])
-      block->acceleration_st = axis_steps_per_sqr_second[Y_AXIS];
-    if(((float)block->acceleration_st * (float)block->steps_e / (float)block->step_event_count) > axis_steps_per_sqr_second[E_AXIS])
-      block->acceleration_st = axis_steps_per_sqr_second[E_AXIS];
-    if(((float)block->acceleration_st * (float)block->steps_z / (float)block->step_event_count ) > axis_steps_per_sqr_second[Z_AXIS])
-      block->acceleration_st = axis_steps_per_sqr_second[Z_AXIS];
   }
+  // Limit acceleration per axis
+  if(((float)block->acceleration_st * (float)block->steps_x / (float)block->step_event_count) > axis_steps_per_sqr_second[X_AXIS])
+    block->acceleration_st = axis_steps_per_sqr_second[X_AXIS];
+  if(((float)block->acceleration_st * (float)block->steps_y / (float)block->step_event_count) > axis_steps_per_sqr_second[Y_AXIS])
+    block->acceleration_st = axis_steps_per_sqr_second[Y_AXIS];
+  if(((float)block->acceleration_st * (float)block->steps_e / (float)block->step_event_count) > axis_steps_per_sqr_second[E_AXIS])
+    block->acceleration_st = axis_steps_per_sqr_second[E_AXIS];
+  if(((float)block->acceleration_st * (float)block->steps_z / (float)block->step_event_count ) > axis_steps_per_sqr_second[Z_AXIS])
+    block->acceleration_st = axis_steps_per_sqr_second[Z_AXIS];
+ 
   block->acceleration = block->acceleration_st / steps_per_mm;
   block->acceleration_rate = (long)((float)block->acceleration_st * (16777216.0 / (F_CPU / 8.0)));