Merge pull request #841 from PierreR/patch-1

Clean-up hash lookup and avoid local undef var

manifests/mod.pp

@@ -18,11 +18,10 @@
 
   # Determine if we have special lib
   $mod_libs = $::apache::params::mod_libs
-  $mod_lib = $mod_libs[$mod] # 2.6 compatibility hack
   if $lib {
     $_lib = $lib
-  } elsif $mod_lib {
-    $_lib = $mod_lib
+  } elsif has_key($mod_libs, $mod) { # 2.6 compatibility hack
+    $_lib = $mod_libs[$mod]
   } else {
     $_lib = "mod_${mod}.so"
   }
@@ -48,11 +47,10 @@
 
   # Determine if we have a package
   $mod_packages = $::apache::params::mod_packages
-  $mod_package = $mod_packages[$mod] # 2.6 compatibility hack
   if $package {
     $_package = $package
-  } elsif $mod_package {
-    $_package = $mod_package
+  } elsif has_key($mod_packages, $mod) { # 2.6 compatibility hack
+    $_package = $mod_packages[$mod]
   } else {
     $_package = undef
   }