PR modula2/110019 Reported line numbers off by 1 when cpp invoked.

PR modula2/110019 Reported line numbers off by 1 when cpp invoked.

Fix off by one in m2.flex when the line number is set via cpp.

gcc/m2/ChangeLog:

	PR modula2/110019
	* gm2-compiler/SymbolKey.mod (SearchAndDo): Reformatted.
	(ForeachNodeDo): Reformatted.
	* gm2-compiler/SymbolTable.mod (AddListify): Join list
	with "," or "and" if more than one word is in the list.
	* m2.flex: Remove -1 from atoi(yytext) line number.

gcc/testsuite/ChangeLog:

	PR modula2/110019
	* gm2/cpp/fail/cpp-fail.exp: New test.
	* gm2/cpp/fail/foocpp.mod: New test.

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