[XForms] [PATCH]: squashing all remaining warnings

[Angus Leeming]

Attached is a patch to squash all the remaining warnings when compiling with 
CFLAGS='-W -Wall -Wno-unused-parameter'. All these warnings are 'comparison 
of signed and unsigned'.

I have been pretty careful here and when unsure have erred on the side of 
caution, casting the unsigned var to signed. Much of the time though I have 
felt that going the other way was fine (ie, casting the signed var to 
unsigned).

I would value it if someone would take the time to verify that I haven't 
fubar-ed here.

Regards,
Angus
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