fix some modular build
make distclean && ../gpac_full/trunk/gpac/configure --disable-all --enable-isoff --enable-isoff-frag --enable-isoff-write --enable-parsers --enable-static-bin --static-mp4box && make -j8 -C src && make -C applications/mp4box/

git-svn-id: http://svn.code.sf.net/p/gpac/code/trunk/gpac@5509 63c20433-aa62-49bd-875c-5a186b69a8fb