add empty throw specification to destructors for classes derived from

std::exception


[SVN r7940]

libs/regex

@@ -1 +1 @@
-Subproject commit fe33e5ebb9c9d1e2e95fb416fd2cc3ca75c5d1b4
+Subproject commit 9148159b989669f0007f7e5add8c9825d484515c