Fix synctex when input file path is relative.

git-svn-id: http://svn.midnightcoding.org/gummi/trunk@1274 6e728def-ac18-4b39-bad8-e7d984b3b6fa
Remove traling whitespaces.

git-svn-id: http://svn.midnightcoding.org/gummi/trunk@1275 6e728def-ac18-4b39-bad8-e7d984b3b6fa
Fix stupid bug...

git-svn-id: http://svn.midnightcoding.org/gummi/trunk@1276 6e728def-ac18-4b39-bad8-e7d984b3b6fa