Abstract the SERVER_BUILT and SERVER_VERSION values through

	API routines - and fix a problem with os/unix/os.h and -DHIDE.
	A similar fix may be needed for the other os/* directories,
	and a new 'make depend' needs to be run once a default value for
	the HIDE rule is determined.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@80381 13f79535-47bb-0310-9956-ffa450edef68