src/language/stats/chart-category.h: Add #include directive

diff --git a/src/language/stats/chart-category.h b/src/language/stats/chart-category.h
index e702f94cb6e8970d91ba995ecc6d9c5f434c8aea..87c84249e75c426f18e6ac5385ededf51f3d6bb2 100644 (file)
--- a/src/language/stats/chart-category.h
+++ b/src/language/stats/chart-category.h
@@ -19,6 +19,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #ifndef BARCHART_DEF_H
 #define BARCHART_DEF_H 1
 
+#include <stdbool.h>
+
 struct ag_func
 {
   const char *name;