diff --git a/simgear/io/HTTPRepository.cxx b/simgear/io/HTTPRepository.cxx
index 2c1c61c6..acac1cf8 100644
--- a/simgear/io/HTTPRepository.cxx
+++ b/simgear/io/HTTPRepository.cxx
@@ -749,6 +749,10 @@ HTTPRepository::failure() const
                 code = HTTPRepository::REPO_ERROR_CANCELLED;
             }
 
+			if (file) {
+				file->close();
+			}
+
             file.reset();
             if (pathInRepo.exists()) {
                 pathInRepo.remove();
diff --git a/simgear/io/sg_file.hxx b/simgear/io/sg_file.hxx
index 8385c8b3..613f097c 100644
--- a/simgear/io/sg_file.hxx
+++ b/simgear/io/sg_file.hxx
@@ -62,7 +62,7 @@ public:
     SGFile( int existingFd );
 
     /** Destructor */
-    ~SGFile();
+    virtual ~SGFile();
 
     // open the file based on specified direction
     bool open( const SGProtocolDir dir );
diff --git a/simgear/io/test_repository.cxx b/simgear/io/test_repository.cxx
index 07ba9728..666ff5c9 100644
--- a/simgear/io/test_repository.cxx
+++ b/simgear/io/test_repository.cxx
@@ -309,7 +309,8 @@ std::string test_computeHashForPath(const SGPath& p)
         return std::string();
     sha1nfo info;
     sha1_init(&info);
-    char* buf = static_cast<char*>(alloca(1024 * 1024));
+    char* buf = static_cast<char*>(malloc(1024 * 1024));
+	assert(buf);
     size_t readLen;
 
     SGBinaryFile f(p);
@@ -319,6 +320,9 @@ std::string test_computeHashForPath(const SGPath& p)
         sha1_write(&info, buf, readLen);
     }
 
+	f.close();
+	free(buf);
+
     std::string hashBytes((char*) sha1_result(&info), HASH_LENGTH);
     return strutils::encodeHex(hashBytes);
 }
@@ -725,7 +729,7 @@ void testCopyInstalledChildren(HTTP::Client* cl)
     verifyRequestCount("dirJ/fileJC", 1);
     verifyRequestCount("dirJ/fileJD", 1);
 
-    std::cout << "Copy installed children" << std::endl;
+    std::cout << "passed Copy installed children" << std::endl;
 }
 
 int main(int argc, char* argv[])