Fix the path map patterns for brew repos

Author: sswguo

addons/koji/common/src/main/java/org/commonjava/indy/koji/content/KojiPathPatternFormatter.java

@@ -82,17 +82,15 @@ public Set<String> getPatterns( final StoreKey inStore, ArtifactRef artifactRef,
             if ( pattern != null )
             {
                 patterns.add( pattern );
-            }
-        }
 
-        if ( !patterns.isEmpty() )
-        {
-            String meta = getMetaString( artifactRef ); // Add metadata.xml to path mask patterns
-            if ( meta != null )
-            {
-                patterns.add( meta );
+                String meta = getMetaString( ar ); // Add metadata.xml of the koji archive to path mask patterns
+                if ( meta != null )
+                {
+                    patterns.add( meta );
+                }
             }
         }
+
         return patterns;
     }