Fix missing include causing build error & invalid NULL check

source/blender/editors/gpencil_legacy/gpencil_weight_paint.c

@@ -907,7 +907,7 @@ static bool gpencil_weightpaint_brush_poll(bContext *C)
   }
 
   ToolSettings *ts = CTX_data_scene(C)->toolsettings;
-  if (!&ts->gp_weightpaint->paint.brush) {
+  if (!ts->gp_weightpaint->paint.brush) {
     CTX_wm_operator_poll_msg_set(C, "Grease Pencil has no active paint tool");
     return false;
   }

source/blender/nodes/composite/nodes/node_composite_id_mask.cc

@@ -16,6 +16,7 @@
 
 #include "COM_algorithm_smaa.hh"
 #include "COM_node_operation.hh"
+#include "COM_utilities.hh"
 
 #include "node_composite_util.hh"