ifdef-ing more DC-specifics from Nehe16

- Attempting to fix build.

GL/fog.c

@@ -124,7 +124,6 @@ void APIENTRY glFogiv(GLenum pname, const GLint* params) {
             GLfloat color[] = {
                 (GLfloat)params[0] / (GLfloat)INT_MAX,
                 (GLfloat)params[1] / (GLfloat)INT_MAX,
-
                 (GLfloat)params[2] / (GLfloat)INT_MAX,
                 (GLfloat)params[3] / (GLfloat)INT_MAX,
             };

samples/nehe16/main.c

@@ -171,6 +171,7 @@ int main(int argc, char **argv) {
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 
     while(1) {
+#ifdef __DREAMCAST__
         cont = maple_enum_type(0, MAPLE_FUNC_CONTROLLER);
 
         /* Check key status */
@@ -221,6 +222,7 @@ int main(int argc, char **argv) {
 
         if(state->dpad_right)
             yspeed += 0.1f;
+#endif
 
         /* Switch fog off/on */
         if(fog) {