builtins.c (expand_builtin_return_addr, [...]): Make them static.

builtins.c (expand_builtin_return_addr, [...]): Make them static.

	* builtins.c (expand_builtin_return_addr,
	expand_builtin_longjmp, expand_builtin_trap): Make them static.
	* expr.h: Remove the prototypes for expand_builtin_longjmp and
	expand_builtin_trap.
	* tree.h: Remove the prototype for expand_builtin_return_addr.

From-SVN: r90087