coverity#1338236 Uncaught exception

Change-Id: Ia2fc54862dfc0f6367f52fd471d6066d915264b6

ucb/source/ucp/ftp/ftpurl.cxx

@@ -387,7 +387,7 @@ namespace ftp {
                      urlParAscii.getStr());
 
 oslFileHandle FTPURL::open()
-    throw(curl_exception)
+    throw(curl_exception, std::exception)
 {
     if(m_aPathSegmentVec.empty())
         throw curl_exception(CURLE_FTP_COULDNT_RETR_FILE);

ucb/source/ucp/ftp/ftpurl.hxx

@@ -122,7 +122,7 @@ namespace ftp {
 
         // returns a pointer to an open tempfile,
         // sought to the beginning of.
-        oslFileHandle open() throw(curl_exception);
+        oslFileHandle open() throw(curl_exception, std::exception);
 
         FTPDirentry direntry() const
             throw(curl_exception, malformed_exception, std::exception);