Update version.

code/MaterialSystem.cpp

@@ -456,6 +456,9 @@ aiReturn aiMaterial::AddBinaryProperty (const void* pInput,
     ai_assert (pKey != NULL);
     ai_assert (0 != pSizeInBytes);
 
+    if ( 0 == pSizeInBytes ) {
+
+    }
     // first search the list whether there is already an entry with this key
     unsigned int iOutIndex = UINT_MAX;
     for (unsigned int i = 0; i < mNumProperties;++i)    {