Bug 1031092 followup - Give up on moving jsproxy.h and jswrapper.h; fix bustage on a CLOSED TREE. (r=BurningManWasLastWeekRight?)

--HG--
rename : js/src/proxy/jsproxy.h => js/src/jsproxy.h
rename : js/src/proxy/jswrapper.h => js/src/jswrapper.h