AM_MAINTAINER_MODE added
AM_MAINTAINER_MODE added

This allows for builds not to fail if automake is installed on the build system and it doesnt happen to be exact same version used during autogen.sh process.

svn path=/trunk/ogg/; revision=5487

felipebetancur/ogg,youfearm3/ogg,emscripten-ports/Ogg,emscripten-ports/Ogg,xiph/ogg,eidy/libogg,brion/ogg,xiph/ogg,nicolaichuk/ogg,ShiftMediaProject/ogg,mwgoldsmith/ogg,nicolaichuk/ogg,ShiftMediaProject/ogg,ksophocleous/ogg,brion/ogg,mwgoldsmith/ogg,ksophocleous/ogg,eidy/libogg,youfearm3/ogg,felipebetancur/ogg