(svn r27383) -Fix: win32 sound driver would not catch the exception due to constness difference

src/sound/win32_s.cpp

@@ -81,7 +81,7 @@ const char *SoundDriver_Win32::Start(const char * const *parm)
 		PrepareHeader(&_wave_hdr[1]);
 
 		if (NULL == (_thread = CreateThread(NULL, 8192, SoundThread, 0, 0, &_threadId))) throw "Failed to create thread";
-	} catch (char *error) {
+	} catch (const char *error) {
 		this->Stop();
 		return error;
 	}