[LyX/master] lyx2lyx tests: Use the temp-dir also for converted lyx files

[Kornel Benko]

commit 7568571a24e951df8f616a4e031be2b30857b2ed
Author: Kornel Benko <kor...@lyx.org>
Date:   Fri Jan 4 05:21:07 2019 +0100

    lyx2lyx tests: Use the temp-dir also for converted lyx files
    
    Important if including data previously copied there.
    Fixes test "export/doc/Additional_lyx22"
---
 development/autotests/export.cmake |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/development/autotests/export.cmake 
b/development/autotests/export.cmake
index 913492d..9ce8f29 100755
--- a/development/autotests/export.cmake
+++ b/development/autotests/export.cmake
@@ -77,7 +77,7 @@ else()
     endif()
   if(extension MATCHES "\\.lyx$")
     # Font-type not relevant for lyx16/lyx21 exports
-    set(result_file_base ${file})
+    set(result_file_base "${TempDir}/${file}")
   else()
     set(result_file_name ${file}.${extension})
   endif()