filetype in filetypes_hash until TRUE is returned.
Make filetypes_detect_from_extension() work for all filetypes
in filetypes_hash.


git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/branches/custom-filetypes@2544 ea778897-0a13-0410-b9d1-a72fbfd435f5