Cygwin fix.

diff --git a/utils/GPSsmooth/gps.cxx b/utils/GPSsmooth/gps.cxx
index f266623fbcac3f8f560adb51b0aac3d10430b6a3..670353ed24eb193706b4473cb1ae892c4d605eb2 100644 (file)
--- a/utils/GPSsmooth/gps.cxx
+++ b/utils/GPSsmooth/gps.cxx
@@ -1,3 +1,7 @@
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
 #include <iostream>
 
 #include <simgear/constants.h>