fixed braces

config.example

@@ -29,7 +29,7 @@ USERNAME="minecraft"
 MCPATH="/home/${USERNAME}/minecraft"
 
 # Path to server log file ($MCPATH/server.log on older versions)
-SERVERLOG="{$MCPATH}/logs/latest.log"
+SERVERLOG="${MCPATH}/logs/latest.log"
 
 # Where the worlds are located on the disk. Can not be the same as MCPATH.
 # You need to move your worlds to this directory manually, the script