Fix reiconv_version bug.

	修改：     ChangeLog
	修改：     lib/iconv.cpp

Author: ChenPi11

ChangeLog

@@ -2,6 +2,7 @@
 
 	Finish NLS Translate language maps (en_US, zh_CN).
 	Add Doxygen notes for 'cppp/reiconv.hpp'.
+	Fix 'reiconv_version' bug (changed it to 2.0).
 
 2023-07-19  ChenPi11  <wushengwuxi-msctinoulk@outlook.com>
 

lib/iconv.cpp

@@ -488,7 +488,7 @@ namespace cppp{namespace base{namespace reiconv
   };
 
   /* version number: (major<<8) + minor */
-  int reiconv_version = (3 << 8) + 0;
+  int reiconv_version = (2 << 8) + 0;
 
 
   #define tmpbufsize 4096