contrib whitespace cleanup

contrib/util/test_class_mocked.pl

@@ -385,9 +385,9 @@ test_class_mocked.pl [options]
 
 Options:
 
-    -class    SNMP::Info class to use, Layer2::Catalyst    
+    -class    SNMP::Info class to use, Layer2::Catalyst
     -file     File containing data gathered using make_snmpdata.pl
-    -print    Print values 
+    -print    Print values
     -debug    Debugging flag
     -ignore   Ignore Net-SNMP configuration file
     -mibdir   Directory containing MIB Files
@@ -414,7 +414,7 @@ mandatory option.
 =item B<-print>
 
 Print values of a class method rather than summarizing.  May be repeated
-multiple times. 
+multiple times.
 
 -print i_description -print i_type
 
@@ -434,7 +434,7 @@ provided.
 =item B<-mibdir>
 
 Directory containing MIB Files.  Multiple directories should be separated by a
-colon ':'. 
+colon ':'.
 
 -mibdir /usr/local/share/snmp/mibs/rfc:/usr/local/share/snmp/mibs/net-snmp