Fix detection of Berkeley DB. A follow-up to r35017 and r35021.
Fix detection of Berkeley DB. A follow-up to r35017 and r35021.

* build/ac-macros/berkeley-db.m4
  (SVN_LIB_BERKELEY_DB, SVN_LIB_BERKELEY_DB_TRY): Avoid "$GREP" as it was not
    defined in autoconf versions before 2.60. Use "$EGREP" which was.

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