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-rw-r--r--src/config.h.in2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/config.h.in b/src/config.h.in
index abf4418..364cdc8 100644
--- a/src/config.h.in
+++ b/src/config.h.in
@@ -37,6 +37,8 @@ extern "C" {
#if defined(_MSC_VER) && _MSC_VER < 1900
+#include <stdio.h>
+
#define snprintf c99_snprintf
#define vsnprintf c99_vsnprintf