wcswidth, mbswidth: Avoid integer overflow.

[gnulib.git] / lib / wcswidth.c

diff --git a/lib/wcswidth.c b/lib/wcswidth.c
index 3133c84..cdedf73 100644 (file)
--- a/lib/wcswidth.c
+++ b/lib/wcswidth.c
@@ -20,4 +20,6 @@
 /* Specification.  */
 #include <wchar.h>
 
+#include <limits.h>
+
 #include "wcswidth-impl.h"