methods/mirror.cc: simplify uri.startswith()

diff --git a/methods/mirror.cc b/methods/mirror.cc
index 5675224..cfc155f 100644 (file)
--- a/methods/mirror.cc
+++ b/methods/mirror.cc
@@ -106,7 +106,7 @@ bool MirrorMethod::Clean(string Dir)
       for(I=list.begin(); I != list.end(); I++)
       {
         string uri = (*I)->GetURI();
-        if(uri.substr(0,strlen("mirror://")) != string("mirror://"))
+        if(uri.find("mirror://") != 0)
            continue;
         string BaseUri = uri.substr(0,uri.size()-1);
         if (URItoFileName(BaseUri) == Dir->d_name)