Update comment about ocamldlgen

.travis.yml

@@ -83,7 +83,7 @@ before_install:
   - if test "$SWIGLANG" = "javascript" -a "$ENGINE" = "v8"; then sudo apt-get install -qq libv8-dev; fi
   - if test "$SWIGLANG" = "guile"; then sudo apt-get -qq install guile-2.0-dev; fi
   - if test "$SWIGLANG" = "lua"; then sudo apt-get -qq install lua5.1 liblua5.1-dev; fi
-  # configure also looks for ocamldlgen which I can't find any trace of outside of SWIG!
+  # configure also looks for ocamldlgen, but this isn't packaged.  But it isn't used by default so this doesn't matter.
   - if test "$SWIGLANG" = "ocaml"; then sudo apt-get -qq install ocaml ocaml-findlib; fi
   - if test "$SWIGLANG" = "octave" -a -z "$VER"; then sudo apt-get -qq install octave3.2 octave3.2-headers; fi
   - if test "$SWIGLANG" = "octave" -a "$VER"; then sudo add-apt-repository -y ppa:kwwette/octaves && sudo apt-get -qq update && sudo apt-get -qq install liboctave${VER}-dev; fi