X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fmath%2Finterpolater.hxx;h=393e39ffb267ba58c3bfe0505d1a8f1fda2903db;hb=578af00b0d48100c540154f54293a1b77a0655fe;hp=06ed3832639f29bfe0c0fb886a046255d26e0150;hpb=733e6fa14ff507a1022ecab8d55cc9bf587bee40;p=simgear.git

diff --git a/simgear/math/interpolater.hxx b/simgear/math/interpolater.hxx
index 06ed3832..393e39ff 100644
--- a/simgear/math/interpolater.hxx
+++ b/simgear/math/interpolater.hxx
@@ -35,12 +35,12 @@
 
 #include <simgear/compiler.h>
 
-#include "simgear/structure/SGReferenced.hxx"
+#include <simgear/structure/SGReferenced.hxx>
 
 #include <map>
 
 #include <string>
-SG_USING_STD(string);
+using std::string;
 
 class SGPropertyNode;