Fixes from Erik Hovland: cli-authpubkey.c: fix leak of keybuf cli-kex.c: fix leak of fingerprint fp cli-service.c: remove commented out code dropbearkey.c: don't attepmt to free NULL key on failure common-kex.c: only free key if it is initialised keyimport.c: remove dead encrypted-key code don't leak a FILE* loading OpenSSH keys rsa.c, dss.c: check return values for some libtommath functions svr-kex.c: check return value retrieving DH kex mpint svr-tcpfwd.c: fix null-dereference if remote tcp forward request fails tcp-accept.c: don't incorrectly free the tcpinfo var

#MSVC Makefile
#
#Tom St Denis

CFLAGS = /I../ /Ox /DWIN32 /W3

pprime: pprime.obj
	cl pprime.obj ../tommath.lib 

mersenne: mersenne.obj
	cl mersenne.obj ../tommath.lib
	
tune: tune.obj
	cl tune.obj ../tommath.lib

mont: mont.obj
	cl mont.obj ../tommath.lib
	
drprime: drprime.obj
	cl drprime.obj ../tommath.lib

2kprime: 2kprime.obj
	cl 2kprime.obj ../tommath.lib