COPKGManager: use fclose instead pclose

my_popen returns a stream pointed to a file descriptor

NOTE: documentation for some bent functions in helpers.cpp would be nice!


Origin commit data
------------------
Commit: 6a06d5cdc1
Author: Thilo Graf <dbt@novatux.de>
Date: 2014-11-23 (Sun, 23 Nov 2014)

src/gui/opkg_manager.cpp

@@ -411,7 +411,7 @@ void COPKGManager::getPkgData(const int pkg_content_id)
 		}
 	}
 
-	pclose(f);
+	fclose(f);
 }
 
 string COPKGManager::getBlankPkgName(const string& line)