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-rw-r--r--gtk/gtk_gui.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/gtk/gtk_gui.h b/gtk/gtk_gui.h
index e7cd8a1f9..eab25873b 100644
--- a/gtk/gtk_gui.h
+++ b/gtk/gtk_gui.h
@@ -16,6 +16,9 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#ifndef GTK_GUI_H
+#define GTK_GUI_H
+
#include <stdbool.h>
#include <gtk/gtk.h>
#include <glade/glade.h>
@@ -33,3 +36,6 @@ extern GtkWindow *wndTooltip;
extern GtkLabel *labelTooltip;
extern GtkDialog *wndOpenFile;
+
+#endif /* GTK_GUI_H */
+