Fix FTBFS when XTest is enabled

(cherry picked from commit 5971a60bad)

khotkeys/shared/CMakeLists.txt

@@ -18,6 +18,7 @@ include_directories(
 
 link_directories(
   ${TQT_LIBRARY_DIRS}
+  ${XTEST_LIBDIR}
 )
 
 
@@ -36,6 +37,6 @@ set( ${target}_SRCS
 tde_add_library( ${target} SHARED AUTOMOC
   SOURCES ${${target}_SRCS}
   VERSION 1.0.0
-  LINK kio-shared
+  LINK kio-shared ${XTEST_LIBRARIES}
   DESTINATION ${LIB_INSTALL_DIR}
 )