ICALL(ENV_11, "get_MachineName", ves_icall_System_Environment_get_MachineName)
ICALL(ENV_13, "get_Platform", ves_icall_System_Environment_get_Platform)
ICALL(ENV_14, "get_ProcessorCount", mono_cpu_count)
-ICALL(ENV_15, "get_TickCount", mono_msec_ticks)
+ICALL(ENV_15, "get_TickCount", ves_icall_System_Environment_get_TickCount)
ICALL(ENV_16, "get_UserName", ves_icall_System_Environment_get_UserName)
ICALL(ENV_16m, "internalBroadcastSettingChange", ves_icall_System_Environment_BroadcastSettingChange)
ICALL(ENV_17, "internalGetEnvironmentVariable", ves_icall_System_Environment_GetEnvironmentVariable)