Error while compiling the server.

[snoopsis]

Description: Error

Current behaviour: It give and error and stopped the compilation process.

/home/SingleCore_TC/src/server/game/Maps/Map.cpp: In member function ‘float Map::GetHeight(float, float, float, bool, float) const’:
/home/SingleCore_TC/src/server/game/Maps/Map.cpp:2450:14: error: ‘isnan’ was not declared in this scope
if (!isnan(x) && !isnan(y))

Branch(es): 335

Operating system: Ubuntu Linux