Typo...
diff --git a/crypto/o_str.c b/crypto/o_str.c
index d626c98..0bdfb40 100644
--- a/crypto/o_str.c
+++ b/crypto/o_str.c
@@ -88,7 +88,7 @@
 int OPENSSL_strcasecmp(const char *str1, const char *str2)
 	{
 #if defined(OPENSSL_SYS_VMS)
-	return OSSL_strncasecmp(str1, str2, (size_t)-1);
+	return OPENSSL_strncasecmp(str1, str2, (size_t)-1);
 #elif defined(OPENSSL_SYS_WINDOWS)
 	return _stricmp(str1, str2);
 #else