Error compiling

[[BBB]sluggo]

Hi,
I get the following errors when trying to compile the source:

--------------------Configuration: realbot_mm - Win32 Release--------------------
Compiling...
bot.cpp
C:\Program\msys\1.0\home\testing\metamod-1.17\realbot_plugin\bot.cpp(1767) : error C2065: 'round' : undeclared identifier
bot_buycode.cpp
bot_client.cpp
bot_func.cpp
C:\Program\msys\1.0\home\testing\metamod-1.17\realbot_plugin\bot_func.cpp(656) : error C2065: 'round' : undeclared identifier
bot_navigate.cpp
build.cpp
ChatEngine.cpp
dll.cpp
engine.cpp
game.cpp
IniParser.cpp
NodeMachine.cpp
C:\Program\msys\1.0\home\testing\metamod-1.17\realbot_plugin\NodeMachine.cpp(326) : error C2065: 'round' : undeclared identifier
C:\Program\msys\1.0\home\testing\metamod-1.17\realbot_plugin\NodeMachine.cpp(1300) : warning C4018: '<' : signed/unsigned mismatch
util.cpp
C:\Program\msys\1.0\home\testing\metamod-1.17\realbot_plugin\util.cpp(902) : error C2065: 'round' : undeclared identifier
Error executing cl.exe.
---------------------------------------------------

Im using ms visual studio c++
sorry but i can not code myselfe... it's probably not difficult to fix it?!

Edit:
Visual studio also said something about "Lines found ending with carriage return, these will be modified to include linefeed...." something like that.