LibGL: Implement glNormal3f and glNormal3fv

Author: https://github.com/gmta
Commit: 78d0674228
Pull-request: https://github.com/SerenityOS/serenity/pull/11154
Reviewed-by: https://github.com/sunverwerth ✅

Userland/Libraries/LibGL/GLVert.cpp

@@ -169,3 +169,13 @@ void glTranslatef(GLfloat x, GLfloat y, GLfloat z)
 {
     g_gl_context->gl_translate(x, y, z);
 }
+
+void glNormal3f(GLfloat nx, GLfloat ny, GLfloat nz)
+{
+    g_gl_context->gl_normal(nx, ny, nz);
+}
+
+void glNormal3fv(GLfloat const* v)
+{
+    g_gl_context->gl_normal(v[0], v[1], v[2]);
+}