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-rw-r--r--src/htscharset.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/htscharset.c b/src/htscharset.c
index 8f7ff0d..4deba12 100644
--- a/src/htscharset.c
+++ b/src/htscharset.c
@@ -307,6 +307,7 @@ char *hts_convertStringSystemToUTF8(const char *s, size_t size) {
#else
#include <string.h>
+#include <errno.h>
#include <iconv.h>
char *hts_convertStringToUTF8(const char *s, size_t size, const char *charset) {