Remove stray #endif from ExternalFunction.cpp
diff --git a/samples/ExternalFunction/ExternalFunction.cpp b/samples/ExternalFunction/ExternalFunction.cpp
index 5b758ca..4d5f1a1 100644
--- a/samples/ExternalFunction/ExternalFunction.cpp
+++ b/samples/ExternalFunction/ExternalFunction.cpp
@@ -84,7 +84,6 @@
         assert(args[0].null() == false);    
 
         using std::sqrt;
-#endif
 
         return executionContext.getXObjectFactory().createNumber(sqrt(args[0]->num(executionContext)));
     }