X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FEnvironment%2Fridge_lift.cxx;h=bb461216de5626af37a74b7c3f6584fce00ad422;hb=9745a6fce3de367cf29c37829b312090e84c2487;hp=2a26af5af960fef0a9f92bd3ab9980f343962df8;hpb=644bb8c4f4dc65f38d32f70ef686a4fd79cfe08d;p=flightgear.git

diff --git a/src/Environment/ridge_lift.cxx b/src/Environment/ridge_lift.cxx
index 2a26af5af..bb461216d 100644
--- a/src/Environment/ridge_lift.cxx
+++ b/src/Environment/ridge_lift.cxx
@@ -35,7 +35,7 @@
 #include <Main/util.hxx>
 #include <Scenery/scenery.hxx>
 #include <string>
-#include <math.h>
+#include <cmath>
 #include <simgear/sg_inlines.h>
 
 using std::string;