SWIG wrapper: Mark ftdi_version_info.version_str and .snapshot_str read only

Fixes this warning:
Warning 451: Setting a const char * variable may leak memory.

diff --git a/bindings/ftdi.i b/bindings/ftdi.i
index 2903924..ace244b 100644 (file)
--- a/bindings/ftdi.i
+++ b/bindings/ftdi.i
@@ -10,6 +10,9 @@
 %ignore ftdi_write_data_async;
 %ignore ftdi_async_complete;
 
+%immutable ftdi_version_info::version_str;
+%immutable ftdi_version_info::snapshot_str;
+
 %include ftdi.h
 %{
 #include <ftdi.h>