checkattempt fix


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5024 07af1644-1164-4067-b897-63bf4dc9b748
freedecal fix


git-svn-id: https://svn.code.sf.net/p/sauerbraten/code/src@5025 07af1644-1164-4067-b897-63bf4dc9b748
Merge branch 'master' into spaghettimod

Conflicts:
	engine/decal.cpp
	engine/serverbrowser.cpp