DirTravel.cpp: avoid accessing String out of bound

--HG--
branch : stable

diff --git a/Src/DirTravel.cpp b/Src/DirTravel.cpp
index e46aa98..45163ee 100644 (file)
--- a/Src/DirTravel.cpp
+++ b/Src/DirTravel.cpp
@@ -81,7 +81,7 @@ static void LoadFiles(const String& sDir, DirItemArray * dirs, DirItemArray * fi
 #else
        String sPattern(sDir);
        size_t len = sPattern.length();
-       if (sPattern[len - 1] != '\\')
+       if (len && sPattern[len - 1] != '\\')
                sPattern += _T("\\*.*");
        else
         sPattern += _T("*.*");