Minor fix on error messages

git-svn-id: svn://svn.code.sf.net/p/gpac/code/trunk/gpac@4664 63c20433-aa62-49bd-875c-5a186b69a8fb
use in-memory fragment generation in DashCast

git-svn-id: svn://svn.code.sf.net/p/gpac/code/trunk/gpac@4665 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed bug with SDL2 compil

git-svn-id: svn://svn.code.sf.net/p/gpac/code/trunk/gpac@4666 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed bugs in DASH low latency

git-svn-id: svn://svn.code.sf.net/p/gpac/code/trunk/gpac@4667 63c20433-aa62-49bd-875c-5a186b69a8fb
Fix android issue on Nexus 7

git-svn-id: svn://svn.code.sf.net/p/gpac/code/trunk/gpac@4668 63c20433-aa62-49bd-875c-5a186b69a8fb