[LyX/master] For cmake case try to use the newly built .gmo files first.

[Kornel Benko]

commit d6285d52e7d265248502b5b5c01557776d8d6ac5
Author: Kornel Benko <kor...@lyx.org>
Date:   Fri Aug 4 16:06:32 2017 +0200

    For cmake case try to use the newly built .gmo files first.
---
 src/support/Package.cpp |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/src/support/Package.cpp b/src/support/Package.cpp
index 6df4365..f6e8c3a 100644
--- a/src/support/Package.cpp
+++ b/src/support/Package.cpp
@@ -193,7 +193,9 @@ void Package::set_temp_dir(FileName const & temp_dir) const
 FileName Package::messages_file(string const & c) const
 {
        if (in_build_dir_) {
-               FileName res = FileName(lyx_dir().absFileName() + "/../po/" + c 
+ ".gmo");
+               FileName res = FileName(lyx_dir().absFileName() + "/po/" + c + 
".gmo");
+               if (!res.isReadableFile())
+                       res = FileName(top_srcdir().absFileName() + "../po/" + 
c + ".gmo");
                if (!res.isReadableFile())
                        res = FileName(top_srcdir().absFileName() + "/po/" + c 
+ ".gmo");
                return res;