Revised fix for bug 3111 - switch to usrt4_0.lib, which is exported unconditionally
usrt3_1.lib is invisibly exported by an FLM, so in platform builds this failed with "No rule to make usrt3_1.dso"
The directory containing this files contains ARM's example
implementation of the EHABI which is part of 'The Base Standard ABI
for the ARM architecture'. All parts of this specification including
the code contained here can be obtained via the link
[http://www.armdevzone.com/EABI/HomePage.html]. Symbian's
implementation of exception handling is derived from this code. This
file will document the amendments made to integrate the code with
SymbianOS.