alloc-pool.c: Convert to ISO C90 prototypes.

alloc-pool.c: Convert to ISO C90 prototypes.

	* alloc-pool.c: Convert to ISO C90 prototypes.
	* alloc-pool.h: Likewise.
	* alias.c: Likewise.
	* attribs.c: Likewise.
	* bb-reorder.c: Likewise.
	* bitmap.h: Likewise.
	* bitmap.c: Likewise.
	* builtins.c: Likewise.

	* tree.h: Convert prototypes of attribs.c to ISO C90.
	* basic-block.h: Convert prototypes of bb-reorder.c to ISO C90.
	* rtl.h: Convert prototypes of alias.c and builtins.c to ISO C90.
	* expr.h: Convert prototypes of builtins.c to ISO C90.

From-SVN: r67975