Fixed path to postgresql config script better, fix typo

scripts/postgresql

@@ -6,7 +6,7 @@ scriptDir="$(dirname "$0")"
 
 function readConfig() {
 	local $config
-	
+
 	if [[ -r "${scriptDir}/../config/postgresql.cfg" ]]; then
 		config="$(readlink -f "${scriptDir}/../config/postgresql.cfg")"
 	else
@@ -20,7 +20,7 @@ function readConfig() {
         if [[ "${vals[0]}" -ge 10 ]]; then
             echo "${vals[@]}"
         fi
-    done < "$config""
+    done < "$config"
 }
 
 function runBackups() {