X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FCockpit%2Fpanel_io.hxx;h=8c38f8d99cae914c07235ffa6ddfce512840d716;hb=fee003e8cc17f0aa9a1e9280dd823d20e231e967;hp=6aea75e23d83dbf947858a2010618aa64ac70704;hpb=52c564b5b8dd331db8115c96eb011ea34cb047fa;p=flightgear.git

diff --git a/src/Cockpit/panel_io.hxx b/src/Cockpit/panel_io.hxx
index 6aea75e23..8c38f8d99 100644
--- a/src/Cockpit/panel_io.hxx
+++ b/src/Cockpit/panel_io.hxx
@@ -33,9 +33,9 @@
 
 #include STL_IOSTREAM
 
-#if !defined (SG_HAVE_NATIVE_SGI_COMPILERS)
 SG_USING_STD(istream);
-#endif
+
+class FGPanel;
 
 extern FGPanel * fgReadPanel (istream &input);
 extern FGPanel * fgReadPanel (const string &relative_path);