Minor change.

Replace inconnu by unknown in package group.

CMakeLists.txt

@@ -883,7 +883,7 @@ endif()
 
 set(CPACK_RPM_PACKAGE_RELEASE "1")
 SET(CPACK_RPM_PACKAGE_LICENSE "GNU AFFERO GENERAL PUBLIC LICENSE")
-set(CPACK_RPM_PACKAGE_GROUP "inconnu")
+set(CPACK_RPM_PACKAGE_GROUP "unknown")
 set(CPACK_RPM_PACKAGE_VENDOR ${CPACK_PACKAGE_VENDOR})
 set(CPACK_RPM_PACKAGE_URL ${CPACK_PACKAGE_URL} )
 set(CPACK_RPM_PACKAGE_DESCRIPTION ${CPACK_PACKAGE_DESCRIPTION_SUMMARY})