BUILD 3.2A - minimal source fixes to compile with VC++ 2010

+ In condition.h:
	- line 266: fixed ASMCALL
+ In main.cpp
	- line 27: remove the include "condition.h" already done in steem.cpp
	- line 224: force define of “catch” when building with VC++
+ In mymisc.cpp:
	- line 64: function call pow(16,n) changed to pow(16.0,n)
+ archive.h:
	- line 15: fix the include for unrarlib.h
+ steemh.h:
	- line 40: Change version text string
+ osd.cpp
	- line 178: define FIX_CAPTION
	- line 236+ : fix code for displaying version string