Bug 1069979 - Don't throw away timezone-strings with dots in Date() r=evilpie

js/src/jsdate.cpp

@@ -2582,7 +2582,7 @@ date_format(JSContext* cx, double date, formatspec format, MutableHandleValue rv
                     char16_t c = tzbuf[i];
                     if (c > 127 ||
                         !(isalpha(c) || isdigit(c) ||
-                          c == ' ' || c == '(' || c == ')')) {
+                          c == ' ' || c == '(' || c == ')' || c == '.')) {
                         usetz = false;
                     }
                 }