Added a few things to the term index

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403388

docs/docs/term_index.xml

@@ -939,7 +939,11 @@
          <term file="dlib/quantum_computing/quantum_computing_abstract.h.html" name="toffoli"/>
 
 
-
+         <term link="dlib/algs.h.html#general_return_codes" name="TIMEOUT"/>
+         <term link="dlib/algs.h.html#general_return_codes" name="WOULDBLOCK"/>
+         <term link="dlib/algs.h.html#general_return_codes" name="OTHER_ERROR"/>
+         <term link="dlib/algs.h.html#general_return_codes" name="SHUTDOWN"/>
+         <term link="dlib/algs.h.html#general_return_codes" name="PORTINUSE"/>
 
       </term_list>