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-rw-r--r--lib-src/sorted-doc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib-src/sorted-doc.c b/lib-src/sorted-doc.c
index 0ba419d4907..cb521866ab5 100644
--- a/lib-src/sorted-doc.c
+++ b/lib-src/sorted-doc.c
@@ -8,6 +8,10 @@
#include <stdio.h>
#include <ctype.h>
+#ifdef __GNU_LIBRARY__
+# include <string.h>
+#endif
+
extern char *malloc ();
char *xmalloc ();