modula2 Fixes to the error format specifications

modula2 Fixes to the error format specifications

This patch contains a python3 script to check the meta format error
specifications.  It also includes about 20 fixes to M2Quads.mod format
specifications.

gcc/m2/ChangeLog:

	* Make-lang.in (check-format-error): New rule.
	* gm2-compiler/M2MetaError.mod (op): Add calls InternalError if
	digits are detected.
	* gm2-compiler/M2Quads.mod (BuildForToByDo): Bugfix to format
	specifier.
	(BuildLengthFunction): Bugfix to format	specifiers.
	(BuildOddFunction): Bugfix to format specifiers.
	(BuildAbsFunction): Bugfix to format specifiers.
	(BuildCapFunction): Bugfix to format specifiers.
	(BuildChrFunction): Bugfix to format specifiers.
	(BuildOrdFunction): Bugfix to format specifiers.
	(BuildMakeAdrFunction): Bugfix to format specifiers.
	(BuildSizeFunction): Bugfix to format specifiers.
	(BuildBitSizeFunction): Bugfix to format specifiers.
	* tools-src/checkmeta.py: New file.

Signed-off-by: Gaius Mulley <gaiusmod2@gmail.com>