Work around apparent OSG 3.2.0 normal binding bug.

[simgear.git] / simgear / scene / material / EffectBuilder.cxx

diff --git a/simgear/scene/material/EffectBuilder.cxx b/simgear/scene/material/EffectBuilder.cxx
index 635fde3608c7fd82b6111aaa88de2fdca7598339..446659426523bc0c08b9deaebcfdca047c2b7e06 100644 (file)
--- a/simgear/scene/material/EffectBuilder.cxx
+++ b/simgear/scene/material/EffectBuilder.cxx
@@ -5,11 +5,11 @@
 #include <simgear/scene/util/SGReaderWriterOptions.hxx>
 #include <simgear/scene/tgdb/userdata.hxx>
 
-#include <simgear/math/SGMath.hxx>
-
 #include "EffectBuilder.hxx"
 #include "Effect.hxx"
 
+using std::string;
+
 namespace simgear
 {