Recognize locale_h import and a char alternation

To comply with the perlcritic TooMuchCode::ProhibitUnusedImport and
RegularExpressions::ProhibitSingleCharAlternation policies.

control/perl-nocem.in

@@ -23,7 +23,7 @@ use strict;
 use warnings;
 
 use Getopt::Std;
-use POSIX qw(locale_h strftime);
+use POSIX qw(locale_h strftime);    ## no critic (ProhibitUnusedImport)
 use Sys::Hostname;
 
 sub logmsg($;$);

scripts/innreport.in

@@ -3084,15 +3084,17 @@ sub PrepareEval($;$) {
     # However, a few variables are defined through the enclosure.
     # $a and $b are provided by function sort.
     # So convert "%innreport_inn::prog_type" back to "%prog_type"
+    ## no critic (ProhibitSingleCharAlternation)
     $string =~ s/([\$\%\@])${CLASS}\:\:(
-    a|
-    b|
-    key\d*|
-    num|
-    prog_size|
-    prog_type|
-    sec_glob
-  )\b/$1$2/xog;
+                   a|
+                   b|
+                   key\d*|
+                   num|
+                   prog_size|
+                   prog_type|
+                   sec_glob
+                 )\b/$1$2/xog;
+    ## use critic
 
     # If expression consists of a single hash then just return a
     # reference to it.

storage/ovsqlite/ovsqlite-util.in

@@ -10,7 +10,7 @@ use warnings;
 
 use Compress::Zlib;
 use Getopt::Std;
-use POSIX qw(strftime locale_h);
+use POSIX qw(strftime locale_h);    ## no critic (ProhibitUnusedImport)
 
 $0 =~ s!.*/!!;