mark all block comments that need format preserving so that

indent will not alter them when reformatting comments

(cherry picked from commit 1d97c84351)

Conflicts:
	crypto/bn/bn_lcl.h
	crypto/bn/bn_prime.c
	crypto/engine/eng_all.c
	crypto/rc4/rc4_utl.c
	crypto/sha/sha.h
	ssl/kssl.c
	ssl/t1_lib.c

Reviewed-by: Tim Hudson <tjh@openssl.org>

ssl/heartbeat_test.c

@@ -1,5 +1,5 @@
 /* test/heartbeat_test.c */
-/*
+/*-
  * Unit test for TLS heartbeats.
  *
  * Acts as a regression test against the Heartbleed bug (CVE-2014-0160).