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-rw-r--r--editor/pnmhisteq.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/editor/pnmhisteq.c b/editor/pnmhisteq.c
index 2c6893bd..1987efc3 100644
--- a/editor/pnmhisteq.c
+++ b/editor/pnmhisteq.c
@@ -12,6 +12,7 @@
 
 #include <string.h>
 
+#include "pm_c_util.h"
 #include "pnm.h"
 #include "shhopt.h"
 #include "mallocvar.h"