Merge pull request #202 from barracuda156/pkgconfig

Fix install path for liblucene++.pc

Author: alanw

src/config/core/CMakeLists.txt

@@ -9,7 +9,7 @@ if(NOT WIN32)
   install(
     FILES
       "${CMAKE_CURRENT_BINARY_DIR}/liblucene++.pc"
-    DESTINATION "${LIB_DESTINATION}/pkgconfig")
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 endif()