If arm.h is going to define WCHAR_TYPE, don't assume WCHAR_TYPE_SIZE doesn't already have a definition.
If arm.h is going to define WCHAR_TYPE, don't assume WCHAR_TYPE_SIZE
doesn't already have a definition.

Reported by:	imp

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase