Sculpt-dev: update doc comments for sculpt_intern.h

Also fixed a few warnings

source/blender/editors/sculpt_paint/sculpt_detail.c

@@ -75,7 +75,7 @@ typedef struct {
 static bool sculpt_and_constant_or_manual_detail_poll(bContext *C)
 {
   Object *ob = CTX_data_active_object(C);
-  Sculpt *sd = CTX_data_tool_settings(C)->sculpt;
+  //Sculpt *sd = CTX_data_tool_settings(C)->sculpt;
 
   /*checking for constant/manual mode isn't necassary since we do this on the python side
     in the ui scripts*/

source/blender/editors/sculpt_paint/sculpt_expand.c

@@ -804,10 +804,6 @@ static float *sculpt_expand_poly_loop_falloff_create(Object *ob, const SculptVer
       continue;
     }
 
-    const SculptVertRef symm_vertex = sculpt_expand_get_vertex_index_for_symmetry_pass(
-        ob, symm_it, v);
-    // const int symm_vertex_i = BKE_pbvh_vertex_index_to_table(ss->pbvh, symm_vertex);
-
     BLI_bitmap *poly_loop = sculpt_poly_loop_from_cursor(ob);
 
     for (int i = 0; i < ss->totfaces; i++) {

source/blender/editors/sculpt_paint/sculpt_face_set_topology.c

@@ -75,7 +75,7 @@
 typedef enum eSculptFaceSetByTopologyMode {
   SCULPT_FACE_SET_TOPOLOGY_LOOSE_PART = 0,
   SCULPT_FACE_SET_TOPOLOGY_POLY_LOOP = 1,
-};
+} eSculptFaceSetByTopologyMode;
 
 static EnumPropertyItem prop_sculpt_face_set_by_topology[] = {
     {

source/blender/editors/sculpt_paint/sculpt_filter_mask.c

@@ -1045,6 +1045,10 @@ static FilterCache *sculpt_ipmask_filter_cache_init(Object *ob,
       filter_cache->mask_filter_step_forward = sculpt_ipmask_vertex_contrast_increase_cb;
       filter_cache->mask_filter_step_backward = sculpt_ipmask_vertex_contrast_decrease_cb;
       break;
+    case IPMASK_FILTER_ADD_SUBSTRACT:
+    case IPMASK_FILTER_INVERT:
+    case IPMASK_FILTER_QUANTIZE:
+      break;
   }
 
   return filter_cache;