Fix size_to_bytes typo, adjust POD.

diff --git a/check_postgres.pl b/check_postgres.pl
index bf6efe3a6cfe0511a17cfaa6ccd01beecf162930..37f0d86e7360decc67a37d9bbc94e22c889b3fb6 100755 (executable)
--- a/check_postgres.pl
+++ b/check_postgres.pl
@@ -1744,12 +1744,13 @@ sub verify_version {
 sub size_in_bytes { ## no critic (RequireArgUnpacking)
 
        ## Given a number and a unit, return the number of bytes.
+       ## Defaults to bytes
 
        my ($val,$unit) = ($_[0],lc substr($_[1]||'s',0,1));
-       return $val * ($unit eq 's' ? 1 : $unit eq 'k' ? 1024 : $unit eq 'm' ? 1024**2 :
+       return $val * ($unit eq 'b' ? 1 : $unit eq 'k' ? 1024 : $unit eq 'm' ? 1024**2 :
                                   $unit eq 'g' ? 1024**3 : $unit eq 't' ? 1024**4 :
                                   $unit eq 'p' ? 1024**5 : $unit eq 'e' ? 1024**6 :
-                                  $unit eq 'z' ? 1024**7 : 1024**8);
+                                  $unit eq 'z' ? 1024**7 : 1);
 
 } ## end of size_in_bytes
 
@@ -5691,7 +5692,7 @@ first line. The fourth line gives the name of the database.
 
 (C<symlink: check_postgres_txn_idle>) Checks the length of "idle in transaction" queries on one or more databases. There is 
 no need to run this more than once on the same database cluster. Databases can be filtered 
-by using the I<--include> and I<--exclude> options. See the L<"BASIC FILTERING"> 
+by using the I<--include> and I<--exclude> options. See the L</"BASIC FILTERING"> 
 section below for more details.
 
 The I<--warning> and I<--critical> options are given as units of time, and both must