Fix cmake install path for headers

Author: foolnotion

CMakeLists.txt

@@ -40,7 +40,7 @@ set_target_properties(aaf.lin64.static PROPERTIES OUTPUT_NAME aaf.lin64)
 
 include(GNUInstallDirs)
 set(AAF_INSTALL_INCLUDEDIR ${CMAKE_INSTALL_INCLUDEDIR}/aaf)
-install(FILES ${AAF_HEADER} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} COMPONENT devel)
+install(FILES ${AAF_HEADER} DESTINATION ${AAF_INSTALL_INCLUDEDIR} COMPONENT devel)
 install(TARGETS aaf.lin64 DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT core)
 install(TARGETS aaf.lin64.static DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT core)