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Diffstat (limited to 'ext/digest/rmd160/rmd160ossl.h')
-rw-r--r--ext/digest/rmd160/rmd160ossl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/digest/rmd160/rmd160ossl.h b/ext/digest/rmd160/rmd160ossl.h
index 824a1bf32fc..e8928d164b3 100644
--- a/ext/digest/rmd160/rmd160ossl.h
+++ b/ext/digest/rmd160/rmd160ossl.h
@@ -3,6 +3,7 @@
#ifndef RMD160OSSL_H_INCLUDED
#define RMD160OSSL_H_INCLUDED
+#include <stddef.h>
#include <openssl/ripemd.h>
#define RMD160_CTX RIPEMD160_CTX