fix XDG path in man pages. Fixes #8507

data/gajim-history-manager.1

@@ -27,7 +27,7 @@ Where to look for logs file
 .El
 .Sh FILES
 .Bl -tag -width Ds
-.It $XDG_DATA_DIR/gajim/logs.db
+.It $XDG_DATA_HOME/gajim/logs.db
 The history database log file used when
 .Op Fl c
 is not specified.

data/gajim.1

@@ -66,19 +66,19 @@ Where to look for configuration files
 .El
 .Sh FILES
 .Bl -tag -width Ds
-.It $XDG_CACHE_DIR/gajim/cache.db
+.It $XDG_CACHE_HOME/gajim/cache.db
 Cache database file of transports, caps, roster entry, and roster group.
-.It $XDG_CACHE_DIR/gajim/avatars/
+.It $XDG_CACHE_HOME/gajim/avatars/
 Cache directory of avatars.
-.It $XDG_CACHE_DIR/gajim/vcards/
+.It $XDG_CACHE_HOME/gajim/vcards/
 Cache directory of vCards (virtual cards).
-.It $XDG_CONFIG_DIR/gajim/
+.It $XDG_CONFIG_HOME/gajim/
 The config-path used when
 .Op Fl c
 is not specified.
-.It $XDG_DATA_DIR/gajim/certs/
+.It $XDG_DATA_HOME/gajim/certs/
 Directory where certificates are stored.
-.It $XDG_DATA_DIR/gajim/logs.db
+.It $XDG_DATA_HOME/gajim/logs.db
 The history database log file.
 For more information on database logs see
 <https://dev.gajim.org/gajim/gajim/wikis/development/LogsDatabase>.