adjusted cmake file for opencs user settings file rename

CMakeLists.txt

@@ -427,7 +427,7 @@ IF(NOT WIN32 AND NOT APPLE)
     INSTALL(FILES "${OpenMW_BINARY_DIR}/transparency-overrides.cfg" DESTINATION "${SYSCONFDIR}" PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ COMPONENT "openmw")
     INSTALL(FILES "${OpenMW_BINARY_DIR}/openmw.cfg.install" DESTINATION "${SYSCONFDIR}" RENAME "openmw.cfg" PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ COMPONENT "openmw")
     IF(BUILD_OPENCS)
-        INSTALL(FILES "${OpenMW_BINARY_DIR}/opencs.cfg" DESTINATION "${SYSCONFDIR}" PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ COMPONENT "opencs")
+        INSTALL(FILES "${OpenMW_BINARY_DIR}/opencs.ini" DESTINATION "${SYSCONFDIR}" PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ COMPONENT "opencs")
     ENDIF(BUILD_OPENCS)
 
     # Install resources
@@ -456,7 +456,7 @@ if(WIN32)
     ENDIF(BUILD_MWINIIMPORTER)
     IF(BUILD_OPENCS)
         INSTALL(PROGRAMS "${OpenMW_BINARY_DIR}/Release/opencs.exe" DESTINATION ".")
-        INSTALL(FILES "${OpenMW_BINARY_DIR}/opencs.cfg" DESTINATION ".")
+        INSTALL(FILES "${OpenMW_BINARY_DIR}/opencs.ini" DESTINATION ".")
     ENDIF(BUILD_OPENCS)
 
     INSTALL(DIRECTORY "${OpenMW_BINARY_DIR}/resources" DESTINATION ".")
@@ -663,7 +663,7 @@ if (APPLE)
     install(FILES "${OpenMW_BINARY_DIR}/openmw.cfg.install" RENAME "openmw.cfg" DESTINATION "${INSTALL_SUBDIR}" COMPONENT Runtime)
     install(FILES "${OpenMW_BINARY_DIR}/settings-default.cfg" DESTINATION "${INSTALL_SUBDIR}" COMPONENT Runtime)
     install(FILES "${OpenMW_BINARY_DIR}/transparency-overrides.cfg" DESTINATION "${INSTALL_SUBDIR}" COMPONENT Runtime)
-    install(FILES "${OpenMW_BINARY_DIR}/opencs.cfg" DESTINATION "${INSTALL_SUBDIR}" COMPONENT Runtime)
+    install(FILES "${OpenMW_BINARY_DIR}/opencs.ini" DESTINATION "${INSTALL_SUBDIR}" COMPONENT Runtime)
 
     set(CPACK_GENERATOR "DragNDrop")
     set(CPACK_PACKAGE_VERSION ${OPENMW_VERSION})