Did you change anything? It compiles clean for me. I would not post code with compile errors or warnings.
Code:
AMX Mod X Compiler 1.9.0.5271
Copyright (c) 1997-2006 ITB CompuPhase
Copyright (c) 2004-2013 AMX Mod X Team
Header size: 368 bytes
Code size: 1360 bytes
Data size: 592 bytes
Stack/heap size: 16384 bytes
Total requirements: 18704 bytes
Done.