Clean up some unnecessary Pathname usage

Formula/jena.rb

@@ -21,9 +21,9 @@ class Jena < Formula
     prefix.install %w{ LICENSE ReleaseNotes-Jena.txt NOTICE ReleaseNotes-TDB.txt README ReleaseNotes-ARQ.txt }
     doc.install ['javadoc-arq', 'javadoc-core', 'javadoc-sdb', 'javadoc-tdb', 'src-examples']
     libexec.install Dir['*']
-    Dir["#{libexec}/bin/*"].map { |p| Pathname.new p }.each { |path|
-      bin_name = path.basename
+    Dir["#{libexec}/bin/*"].each do |path|
+      bin_name = File.basename(path)
       (bin+bin_name).write shim_script(bin_name)
-    }
+    end
   end
 end

Formula/luciddb.rb

@@ -24,7 +24,7 @@ class Luciddb < Formula
     end
     Dir["#{libexec}/bin/*"].each do |b|
       next if b =~ /classpath.gen/ or b =~ /defineFarragoRuntime/
-      n = Pathname.new(b).basename
+      n = File.basename(b)
       (bin+n).write shim_script(n)
     end
   end

Formula/node.rb

@@ -66,7 +66,7 @@ class Node < Formula
       (lib/"node_modules/npm/npmrc").write("prefix = #{npm_prefix}\n")
 
       # Link npm manpages
-      Pathname.glob("#{lib}/node_modules/npm/man/*").each do |man|
+      Pathname.glob("#{lib}/node_modules/npm/man/*") do |man|
         dir = send(man.basename)
         man.children.each { |file| dir.install_symlink(file) }
       end

Formula/zookeeper.rb

@@ -101,12 +101,12 @@ class Zookeeper < Formula
     (var+'run/zookeeper/data').mkpath
 
     # Install shim scripts to bin
-    Dir["#{libexec}/bin/*.sh"].map { |p| Pathname.new p }.each { |path|
+    Pathname.glob("#{libexec}/bin/*.sh") do |path|
       next if path == libexec+'bin/zkEnv.sh'
       script_name = path.basename
       bin_name    = path.basename '.sh'
       (bin+bin_name).write shim_script(script_name)
-    }
+    end
 
     # Install default config files
     defaults = etc/'zookeeper/defaults'