It's not just VMS that needs some symbols to be hacked.  Let's
centralise those hacks in crypto/symhacks.h and use it everywhere it's
needed.
diff --git a/crypto/Makefile.ssl b/crypto/Makefile.ssl
index 1b175ae..5d457dd 100644
--- a/crypto/Makefile.ssl
+++ b/crypto/Makefile.ssl
@@ -39,7 +39,7 @@
 
 SRC= $(LIBSRC)
 
-EXHEADER= crypto.h tmdiff.h opensslv.h opensslconf.h ebcdic.h
+EXHEADER= crypto.h tmdiff.h opensslv.h opensslconf.h ebcdic.h symhacks.h
 HEADER=	cryptlib.h buildinf.h md32_common.h $(EXHEADER)
 
 ALL=    $(GENERAL) $(SRC) $(HEADER)