loc_tools: Look also for locale(1) in /bin

That's where it is on z/OS

Author: khwilliamson

t/loc_tools.pl

@@ -568,8 +568,10 @@ ($;$)
         # Other subversive stuff.
         delete local @ENV{qw(IFS CDPATH ENV BASH_ENV)};
 
-        if (-x "/usr/bin/locale"
-            && open(LOCALES, '-|', "/usr/bin/locale -a 2>/dev/null"))
+        my $locale_cmd = "/usr/bin/locale";
+        $locale_cmd = "/bin/locale" unless -x $locale_cmd;
+        if (   -x $locale_cmd
+            && open(LOCALES, '-|', "$locale_cmd -a 2>/dev/null"))
         {
             while (<LOCALES>) {