dlt-convert: Fix memory leak by calling dlt_file_free (#434)

Free the index which already allocated memory in dlt_file_read phase

Signed-off-by: Le Van Khanh <[email protected]>

src/console/dlt-convert.c

@@ -420,6 +420,7 @@ int main(int argc, char *argv[])
                 if (ovalue)
                     close(ohandle);
 
+                dlt_file_free(&file, vflag);
                 return -1;
             }
 
@@ -428,6 +429,7 @@ int main(int argc, char *argv[])
                 if (ovalue)
                     close(ohandle);
 
+                dlt_file_free(&file, vflag);
                 return -1;
             }