Update C sources and examples

examples/shaders/shapes_textures/main.go

@@ -10,7 +10,7 @@ func main() {
 
 	raylib.InitWindow(screenWidth, screenHeight, "raylib [shaders] example - shapes and texture shaders")
 
-	sonic := raylib.LoadTexture("sonic.png")
+	fudesumi := raylib.LoadTexture("fudesumi.png")
 
 	// NOTE: Using GLSL 330 shader version, on OpenGL ES 2.0 use GLSL 100 shader version
 	shader := raylib.LoadShader("glsl330/base.vs", "glsl330/grayscale.fs")
@@ -57,16 +57,18 @@ func main() {
 		// Activate our custom shader to be applied on next shapes/textures drawings
 		raylib.BeginShaderMode(shader)
 
-		raylib.DrawTexture(sonic, 380, -10, raylib.White) // Using custom shader
+		raylib.DrawTexture(fudesumi, 500, -30, raylib.White) // Using custom shader
 
 		// Activate our default shader for next drawings
 		raylib.EndShaderMode()
 
+		raylib.DrawText("(c) Fudesumi sprite by Eiden Marsal", 380, screenHeight-20, 10, raylib.Gray)
+
 		raylib.EndDrawing()
 	}
 
-	raylib.UnloadShader(shader) // Unload shader
-	raylib.UnloadTexture(sonic) // Unload texture
+	raylib.UnloadShader(shader)    // Unload shader
+	raylib.UnloadTexture(fudesumi) // Unload texture
 
 	raylib.CloseWindow() // Close window and OpenGL context
 }