Fix strtod("nan()", ptr).

* libc/stdlib/gdtoa-hexnan.c (hexnan): When the optional
	n-char-sequence is omitted, still parse the ().

newlib/ChangeLog

@@ -1,3 +1,9 @@
+2008-03-04  Eric Blake  <ebb9@byu.net>
+
+	Fix strtod("nan()", ptr).
+	* libc/stdlib/gdtoa-hexnan.c (hexnan): When the optional
+	n-char-sequence is omitted, still parse the ().
+
 2008-03-03  Eric Blake  <ebb9@byu.net>
 
 	Fix ftell bug after ungetc.

newlib/libc/stdlib/gdtoa-hexnan.c

@@ -98,7 +98,7 @@ _DEFUN (hexnan, (sp, fpi, x0),
 					}
 				continue;
 				}
-			if (/*(*/ c == ')' && havedig) {
+			if (/*(*/ c == ')') {
 				*sp = s + 1;
 				break;
 				}