trans-decl.c (generate_local_decl): Emit warning on unused parameter on "-Wall -Wextr...

trans-decl.c (generate_local_decl): Emit warning on unused parameter on "-Wall -Wextra" or "-Wunused-parameter" but...

gcc/fortran:
2007-08-01  Daniel Franke  <franke.daniel@gmail.com>

	* trans-decl.c (generate_local_decl): Emit warning on unused parameter
	on "-Wall -Wextra" or "-Wunused-parameter" but not on "-Wall", changed
	messages that start with lower case to upper case.
	* invoke.texi (-Wparameter-unused): Document differences between gcc
	and gfortran regarding this option.

gcc/testsuite:
2007-08-01  Daniel Franke  <franke.daniel@gmail.com>

	* gfortran.dg/parameter_unused.f90: Adjusted dg-options and
	error message text.

From-SVN: r127126