Install kcodecs_version.h in /usr/include/KF5/KCodecs/

Instead of /usr/include/KF5/kcodecs_version.h.

For more details see:
kservice!79

GIT_SILENT

CMakeLists.txt

@@ -79,7 +79,7 @@ install(FILES  "${CMAKE_CURRENT_BINARY_DIR}/KF5CodecsConfig.cmake"
 install(EXPORT KF5CodecsTargets DESTINATION "${CMAKECONFIG_INSTALL_DIR}" FILE KF5CodecsTargets.cmake NAMESPACE KF5:: )
 
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/kcodecs_version.h
-        DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF} COMPONENT Devel )
+        DESTINATION ${KDE_INSTALL_INCLUDEDIR_KF}/KCodecs COMPONENT Devel)
 
 feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)