Since opensslconf.h might be included over and over, undefine

OPENSSL_UNISTD before redefining it, to avoid compiler warnings.

diff --git a/crypto/opensslconf.h.in b/crypto/opensslconf.h.in
index 1b85ae598998e15e98305215d7168c5903cfc254..5da5911228a4a613fb9c9e9072a716e67d6ca457 100644 (file)
--- a/crypto/opensslconf.h.in
+++ b/crypto/opensslconf.h.in
@@ -9,6 +9,7 @@
 #endif
 #endif
 
+#undef OPENSSL_UNISTD
 #define OPENSSL_UNISTD <unistd.h>
 
 #if defined(HEADER_IDEA_H) && !defined(IDEA_INT)