Fixed conflicting types on iOS

git-svn-id: http://svn.code.sf.net/p/gpac/code/trunk/gpac@5479 63c20433-aa62-49bd-875c-5a186b69a8fb
Added logs for DASH PTO vs CTS/DTS

git-svn-id: http://svn.code.sf.net/p/gpac/code/trunk/gpac@5480 63c20433-aa62-49bd-875c-5a186b69a8fb
Added checks in iOS build

git-svn-id: http://svn.code.sf.net/p/gpac/code/trunk/gpac@5481 63c20433-aa62-49bd-875c-5a186b69a8fb
Moved math.h to maths.h (due to xcode/ios build warnings)

git-svn-id: http://svn.code.sf.net/p/gpac/code/trunk/gpac@5482 63c20433-aa62-49bd-875c-5a186b69a8fb
fixed gpac/maths.h includes

git-svn-id: http://svn.code.sf.net/p/gpac/code/trunk/gpac@5483 63c20433-aa62-49bd-875c-5a186b69a8fb