fix(examples): don't bleed fog when on edge (#5547)

Steps to reproduce:
1. play textures_fog_of_war example
2. Move player to edge of screen
3. Note the light bleeds to the other side of the screen

examples/textures/textures_fog_of_war.c

@@ -68,6 +68,7 @@ int main(void)
     // at a smaller size (one pixel per tile) and scale it on drawing with bilinear filtering
     RenderTexture2D fogOfWar = LoadRenderTexture(map.tilesX, map.tilesY);
     SetTextureFilter(fogOfWar.texture, TEXTURE_FILTER_BILINEAR);
+    SetTextureWrap(fogOfWar.texture, TEXTURE_WRAP_CLAMP);
 
     SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
     //--------------------------------------------------------------------------------------