msi: Components don't require a key path.

dlls/msi/action.c

@@ -3245,8 +3245,7 @@ static UINT ACTION_ProcessComponents(MSIPACKAGE *package)
                     '>','=',' ','%','i',' ','O','R','D','E','R',' ','B','Y',' ',
                     '`','D','i','s','k','I','d','`',0};
 
-                file = get_loaded_file(package, comp->KeyPath);
-                if (!file)
+                if (!comp->KeyPath || !(file = get_loaded_file(package, comp->KeyPath)))
                     continue;
 
                 row = MSI_QueryGetRecord(package->db, query, file->Sequence);

dlls/msi/classes.c

@@ -850,8 +850,7 @@ UINT ACTION_RegisterClassInfo(MSIPACKAGE *package)
         }
         feature->Action = feature->ActionRequest;
 
-        file = get_loaded_file( package, comp->KeyPath );
-        if (!file)
+        if (!comp->KeyPath || !(file = get_loaded_file( package, comp->KeyPath )))
         {
             TRACE("COM server not provided, skipping class %s\n", debugstr_w(cls->clsid));
             continue;