tree 524f2b75e176dfa4adb2d6ade609fe0bc57b66c6
parent 4970c7e810fec29b5ad40a595850288f14f48e37
author Florent Rougon <f.rougon@free.fr> 1496792091 +0200
committer Akira TAGOH <akira@tagoh.org> 1496991143 +0900

Fix erroneous test on language id in FcLangSetPromote()

FcLangSetIndex() indicates "not found" with a non-negative return value.
Return value 0 doesn't imply "not found", it rather means "language
found at index 0 in fcLangCharSets".