Run perltidy on generate-unicode_version.pl.

Author: jeff-davis

src/common/unicode/generate-unicode_version.pl

@@ -20,7 +20,8 @@
 
 my @version_parts = split /\./, $version_str;
 
-my $unicode_version_str = sprintf "%d.%d", $version_parts[0], $version_parts[1];
+my $unicode_version_str = sprintf "%d.%d", $version_parts[0],
+  $version_parts[1];
 
 my $output_file = "$output_path/unicode_version.h";