Fix bug in System::Info plugin

Author: exodist

cpanfile.ci

@@ -10,3 +10,4 @@ requires "Linux::Inotify2"          => "0";
 requires "System::Info"             => "0.064";
 requires "Term::ANSIColor"          => "4.06";
 requires "Term::ReadLine"           => "0";
+requires "Module::Pluggable"        => "5.2";

lib/App/Yath/Plugin/SysInfo.pm

@@ -28,7 +28,7 @@ sub run_fields {
             user  => $ENV{USER},
             shell => $ENV{SHELL},
             term  => $ENV{TERM},
-            (map { m/(YATH|T2|TEST2|HARNESS|PERL|CPAN|TAP)/i ? ($_ => $ENV{$_}) : ()} grep keys %ENV),
+            (map { m/(YATH|T2|TEST2|HARNESS|PERL|CPAN|TAP)/i ? ($_ => $ENV{$_}) : ()} keys %ENV),
         },
 
         ipc => {