changed redis.pid to keydb.pid where necessary

Former-commit-id: 76d9c7c82a

pkg/rpm/keydb_build/keydb_rpm/etc/keydb/keydb.conf

@@ -131,8 +131,8 @@ tcp-keepalive 300
 
 ################################# GENERAL #####################################
 
-# By default Redis does not run as a daemon. Use 'yes' if you need it.
-# Note that Redis will write a pid file in /var/run/redis.pid when daemonized.
+# By default KeyDB does not run as a daemon. Use 'yes' if you need it.
+# Note that KeyDB will write a pid file in /var/run/keydb.pid when daemonized.
 daemonize yes
 
 # If you run Redis from upstart or systemd, Redis can interact with your
@@ -151,7 +151,7 @@ supervised no
 #
 # When the server runs non daemonized, no pid file is created if none is
 # specified in the configuration. When the server is daemonized, the pid file
-# is used even if not specified, defaulting to "/var/run/redis.pid".
+# is used even if not specified, defaulting to "/var/run/keydb.pid".
 #
 # Creating a pid file is best effort: if Redis is not able to create it
 # nothing bad happens, the server will start and run normally.