commit ef414097598e2afbfaf69eed46477da80400c1a0
Author:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
AuthorDate: Sat Mar 27 19:05:15 2021 +0100
Commit:     ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
CommitDate: Sat Mar 27 19:05:29 2021 +0100

    Add guard against multiple inclusion of header file.

 src/drivers/Cairo/Fl_Cairo_Graphics_Driver.H | 5 +++++
 1 file changed, 5 insertions(+)

diff --git src/drivers/Cairo/Fl_Cairo_Graphics_Driver.H src/drivers/Cairo/Fl_Cairo_Graphics_Driver.H
index a0ded9b..09a5d67 100644
--- src/drivers/Cairo/Fl_Cairo_Graphics_Driver.H
+++ src/drivers/Cairo/Fl_Cairo_Graphics_Driver.H
@@ -18,6 +18,9 @@
     Declaration of class Fl_Cairo_Graphics_Driver.
 */
 
+#ifndef FL_CAIRO_GRAPHICS_DRIVER_H
+# define FL_CAIRO_GRAPHICS_DRIVER_H
+
 #include <FL/Fl_Graphics_Driver.H>
 
 typedef struct _cairo cairo_t;
@@ -137,3 +140,5 @@ public:
   void ps_translate(int, int);
   void ps_untranslate();
 };
+
+#endif // FL_CAIRO_GRAPHICS_DRIVER_H