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-rw-r--r--utils/utf8.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/utils/utf8.c b/utils/utf8.c
index 56a1dab3a..a68d3c807 100644
--- a/utils/utf8.c
+++ b/utils/utf8.c
@@ -9,6 +9,7 @@
* UTF-8 manipulation functions (implementation).
*/
+#define _GNU_SOURCE /* for strndup */
#include <assert.h>
#include <errno.h>
#include <stdlib.h>