mod_reqtimeout: fix default_[stage]_rate_factor initializations. r1853901 lowercased the [stage] for MRT_DEFAULT_[stage]_* macros but missed to change the ones used in reqtimeout_hooks() to initialize the default rate factors, leading to no default rate in 2.4.39. Fix that now. PR 63325.
httpd/httpd/trunk/modules/filters/mod_reqtimeout.c