upstream commit

remove post-SSHv1 removal dead code from rsa.c and merge
the remaining bit that it still used into ssh-rsa.c; ok markus

Upstream-ID: ac8a048d24dcd89594b0052ea5e3404b473bfa2f
diff --git a/Makefile.in b/Makefile.in
index 29d539a..ac3907b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -81,7 +81,7 @@
 	cipher-ctr.o cleanup.o \
 	compat.o crc32.o fatal.o hostfile.o \
 	log.o match.o moduli.o nchan.o packet.o opacket.o \
-	readpass.o rsa.o ttymodes.o xmalloc.o addrmatch.o \
+	readpass.o ttymodes.o xmalloc.o addrmatch.o \
 	atomicio.o key.o dispatch.o mac.o uidswap.o uuencode.o misc.o utf8.o \
 	monitor_fdpass.o rijndael.o ssh-dss.o ssh-ecdsa.o ssh-rsa.o dh.o \
 	msg.o progressmeter.o dns.o entropy.o gss-genr.o umac.o umac128.o \