builtins.c (expand_builtin_strstr, [...]): Replace calls to build with calls to build2, build3 or omit_one_operand.


	* builtins.c (expand_builtin_strstr, expand_builtin_strchr,
	expand_builtin_strrchr, expand_builtin_strpbrk,
	expand_builtin_mempcpy, expand_builtin_memcmp,
	expand_builtin_strcmp, expand_builtin_strncmp,
	expand_builtin_strcat, std_expand_builtin_va_start,
	std_expand_builtin_va_arg, expand_builtin_va_copy,
	expand_builtin_signbit, fold_builtin_cabs,
	fold_builtin_logarithm, fold_builtin_mempcpy,
	fold_builtin_signbit, fold_builtin_isascii,
	fold_builtin_toascii, fold_builtin_isdigit,
	fold_builtin_1, build_function_call_expr,
	simplify_builtin_strchr, simplify_builtin_strrchr,
	simplify_builtin_strpbrk, simplify_builtin_strncpy,
	simplify_builtin_memcmp, simplify_builtin_strcmp,
	simplify_builtin_strncmp, simplify_builtin_strncat,
	simplify_builtin_strspn, simplify_builtin_strcspn,
	simplify_builtin_fputs, simplify_builtin_sprintf): Replace calls
	to build with calls to build2, build3 or omit_one_operand.

From-SVN: r82151