*) fix the set of include directories *) don't pick up CFLAGS from apxs; Apache and SVN both use libtool for    compilations, so the basic flags should be the same already; this also    keeps a lot of duplicate flags and other crap out of CFLAGS
*) fix the set of include directories
*) don't pick up CFLAGS from apxs; Apache and SVN both use libtool for
   compilations, so the basic flags should be the same already; this also
   keeps a lot of duplicate flags and other crap out of CFLAGS

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion