[LyX/master] Cmake build: Add include path for src/tests/dummy_functions.cpp

[Kornel Benko]

commit f3a96fb833a3c6773790de82df39a8c95a8abe77
Author: Kornel Benko <kor...@lyx.org>
Date:   Mon Apr 21 19:14:25 2014 +0200

    Cmake build: Add include path for src/tests/dummy_functions.cpp
    
    Othervise the statement '#include "../Messages.h"' results in error.

diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt
index ce5b355..0a45ad5 100644
--- a/src/tests/CMakeLists.txt
+++ b/src/tests/CMakeLists.txt
@@ -12,6 +12,8 @@ foreach(_f insets/InsetLayout.cpp Color.cpp Counters.cpp 
Floating.cpp
   list(APPEND check_layout_SOURCES "${TOP_SRC_DIR}/src/${_f}")
 endforeach()
 
+include_directories(${TOP_SRC_DIR}/src/support/tests)
+
 add_executable(check_layout ${check_layout_SOURCES})
 
 target_link_libraries(check_layout support