Removed warning that are constantly printed on stdout if sfx

are disables (Auria, I assume this is the right way to do
this?)


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@8351 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/audio/sfx_openal.cpp

@@ -220,6 +220,8 @@ void SFXOpenAL::play()
  */
 void SFXOpenAL::position(const Vec3 &position)
 {
+    if(!UserConfigParams::m_sfx)
+        return;
     if (!m_ok)
     {
         fprintf(stderr, "WARNING, position called on non-ok SFX\n");