configure.in: remove options from comments

* configure.in (RUBY_APPEND_OPTION, RUBY_APPEND_OPTIONS),
  (RUBY_PREPEND_OPTION, RUBY_PREPEND_OPTIONS): remove option
  lists, which can be multiple lines, from generated comments.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44296 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

configure.in

@@ -266,24 +266,26 @@ AS_IF([test -z "$target_alias" -a -n "$os_version_style_transform"],
 	])
 
 AC_DEFUN([RUBY_APPEND_OPTION],
-	[# RUBY_APPEND_OPTION($1, $2)
+	[# RUBY_APPEND_OPTION($1)
 	AS_CASE([" [$]{$1-} "],
 	[*' $2 '*], [], ['  '], [ $1="$2"], [ $1="[$]$1 $2"])])
 AC_DEFUN([RUBY_APPEND_OPTIONS],
-	[{ for rb_opt in $2; do # RUBY_APPEND_OPTIONS($1, $2)
+	[# RUBY_APPEND_OPTIONS($1)
+	for rb_opt in $2; do
 	AS_CASE([" [$]{$1-} "],
 	[*" [$]{rb_opt} "*], [], ['  '], [ $1="[$]{rb_opt}"], [ $1="[$]$1 [$]{rb_opt}"])
-	done; }])
+	done])
 AC_DEFUN([RUBY_PREPEND_OPTION],
-	[# RUBY_PREPEND_OPTION($1, $2)
+	[# RUBY_PREPEND_OPTION($1)
 	AS_CASE([" [$]{$1-} "],
 	[*' $2 '*], [], ['  '], [ $1="$2"], [ $1="$2 [$]$1"])])
 AC_DEFUN([RUBY_PREPEND_OPTIONS],
-	[{ unset rb_opts; for rb_opt in $2; do # RUBY_PREPEND_OPTIONS($1, $2)
+	[# RUBY_PREPEND_OPTIONS($1)
+	unset rb_opts; for rb_opt in $2; do
 	AS_CASE([" [$]{rb_opts} [$]{$1-} "],
 	[*" [$]{rb_opt} "*], [], ['  '], [ $1="[$]{rb_opt}"], [ rb_opts="[$]{rb_opts}[$]{rb_opt} "])
 	done
-	$1="[$]{rb_opts}[$]$1"; }])
+	$1="[$]{rb_opts}[$]$1"])
 
 AC_ARG_WITH(arch,
 	AS_HELP_STRING([--with-arch=ARCHS],