[LyX/master] Cmake tests: macro setmarkedtestlabel() worked only by chance

[Kornel Benko]

commit 552ca45843375a2eb12a4bd33a191851127fdf22
Author: Kornel Benko <kor...@lyx.org>
Date:   Mon Nov 2 21:44:38 2015 +0100

    Cmake tests: macro setmarkedtestlabel() worked only by chance
    
    We have to check the content of the variable.

diff --git a/development/cmake/modules/LyXMacros.cmake 
b/development/cmake/modules/LyXMacros.cmake
index 2d20cb7..ea16243 100644
--- a/development/cmake/modules/LyXMacros.cmake
+++ b/development/cmake/modules/LyXMacros.cmake
@@ -322,7 +322,7 @@ macro(settestlabel testname)
 endmacro()
 
 macro(setmarkedtestlabel testname reverted)
-  if(reverted)
+  if(${reverted})
     settestlabel(${testname} "reverted" ${ARGN})
   else()
     settestlabel(${testname} ${ARGN})