add check for models that were missed during BindGLTFPrimitiveToBones to not segfault the program

src/models.c

@@ -1615,6 +1615,10 @@ void UpdateModelAnimation(Model model, ModelAnimation anim, int frame)
         for (int m = 0; m < model.meshCount; m++)
         {
             Mesh mesh = model.meshes[m];
+            if(mesh.boneIds == NULL || mesh.boneWeights == NULL){
+                TRACELOG(LOG_WARNING, "MODEL: UpdateModelAnimation Mesh %i has no connection to bones",m);
+                continue;
+            }
             bool updated = false; // set to true when anim vertex information is updated
             Vector3 animVertex = { 0 };
             Vector3 animNormal = { 0 };