[LyX/master] Fix default spellchecker when only Enchant is available

[Jean-Marc Lasgouttes]

commit ae473b012a9c7605919f3f3bfad35710cab29566
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Mon Mar 19 14:07:03 2018 +0100

    Fix default spellchecker when only Enchant is available
    
    This has been annoying me for ages.
---
 src/LyXRC.cpp |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/LyXRC.cpp b/src/LyXRC.cpp
index 471873d..7e2dab8 100644
--- a/src/LyXRC.cpp
+++ b/src/LyXRC.cpp
@@ -284,6 +284,8 @@ void LyXRC::setDefaults()
 // FIXME: this check should test the target platform (darwin)
 #if defined(USE_MACOSX_PACKAGING)
        spellchecker = "native";
+#elif defined(USE_ENCHANT)
+       spellchecker = "enchant";
 #elif defined(USE_ASPELL)
        spellchecker = "aspell";
 #elif defined(USE_HUNSPELL)