Delete a copy that looks like a relic from obstack times.

	* varasm.c (copy_constant): Delete function.
	(build_constant_desc): Don't call it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211130 138bc75d-0d04-0410-961f-82ee72b054a4
Fix a decl to match the calls to it.

	* trans-decl.c (gfc_build_builtin_function_decls): Correct number of
	arguments to caf_init.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211131 138bc75d-0d04-0410-961f-82ee72b054a4