Unload model shaders and textures

They are not automatically unloaded when unloading the model!

examples/models/models_animation.c

@@ -98,6 +98,8 @@ int main(void)
 
     // De-Initialization
     //--------------------------------------------------------------------------------------
+    UnloadTexture(texture);     // Unload texture
+    
     // Unload model animations data
     for (int i = 0; i < animsCount; i++) UnloadModelAnimation(anims[i]);
     RL_FREE(anims);

examples/models/models_material_pbr.c

@@ -100,7 +100,9 @@ int main(void)
 
     // De-Initialization
     //--------------------------------------------------------------------------------------
-    UnloadModel(model);         // Unload skybox model
+    // TODO: Unload materials and shaders
+    
+    UnloadModel(model);         // Unload model
 
     CloseWindow();              // Close window and OpenGL context
     //--------------------------------------------------------------------------------------

examples/models/models_mesh_generation.c

@@ -115,11 +115,12 @@ int main(void)
 
     // De-Initialization
     //--------------------------------------------------------------------------------------
+    UnloadTexture(texture); // Unload texture
 
     // Unload models data (GPU VRAM)
     for (int i = 0; i < NUM_MODELS; i++) UnloadModel(models[i]);
 
-    CloseWindow();        // Close window and OpenGL context
+    CloseWindow();          // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
 
     return 0;

examples/models/models_obj_viewer.c

@@ -116,6 +116,7 @@ int main(void)
 
     // De-Initialization
     //--------------------------------------------------------------------------------------
+    UnloadTexture(texture);     // Unload texture
     UnloadModel(model);         // Unload model
 
     ClearDroppedFiles();        // Clear internal buffers

examples/models/models_skybox.c

@@ -89,7 +89,10 @@ int main(void)
 
     // De-Initialization
     //--------------------------------------------------------------------------------------
-    UnloadModel(skybox);        // Unload skybox model (and textures)
+    UnloadShader(skybox.materials[0].shader);
+    UnloadTexture(skybox.materials[0].maps[MAP_CUBEMAP].texture);
+    
+    UnloadModel(skybox);        // Unload skybox model
 
     CloseWindow();              // Close window and OpenGL context
     //--------------------------------------------------------------------------------------

examples/models/models_yaw_pitch_roll.c

@@ -169,6 +169,7 @@ int main(void)
     //--------------------------------------------------------------------------------------
 
     // Unload all loaded data
+    UnloadTexture(model.materials[0].maps[MAP_DIFFUSE].texture);
     UnloadModel(model);
 
     UnloadRenderTexture(framebuffer);