Index: math/saga/files/patch-src_tools_io_io__grid__image_grid__to__kml.cpp
===================================================================
--- math/saga/files/patch-src_tools_io_io__grid__image_grid__to__kml.cpp	(nonexistent)
+++ math/saga/files/patch-src_tools_io_io__grid__image_grid__to__kml.cpp	(working copy)
@@ -0,0 +1,11 @@
+--- src/tools/io/io_grid_image/grid_to_kml.cpp.orig	2018-01-21 16:19:23.824350000 +0300
++++ src/tools/io/io_grid_image/grid_to_kml.cpp	2018-01-21 17:51:35.936632000 +0300
+@@ -582,7 +582,7 @@
+ 	}
+ 
+ 	CSG_Data_Manager	Data;
+-	CSG_String			FullPath = fn.GetFullPath().wc_str();
++	CSG_String		FullPath = static_cast<const wchar_t*>(fn.GetFullPath().wc_str());
+ 
+ 	if( !Data.Add(FullPath) || !Data.Get_Grid_System(0) || !Data.Get_Grid_System(0)->Get(0) )
+ 	{