Fix setting saved_parameters in espeak_ng_Initialize.

This fixes a regression introduced in commit
e341068d57.

This is needed for the case when espeak_Cancel is called before
calling espeak_Synth.

CHANGELOG.md

 *  Fixes for running the spect code on big-endian architectures.
 *  Fix determining the voice directory when installing the 32-bit Windows
    binaries on a 64-bit Windows system.
+*  Fix a regression with the saved parameter logic.
 
 updated languages:
 

src/libespeak-ng/speech.c

 	VoiceReset(0);
 
 	for (param = 0; param < N_SPEECH_PARAM; param++)
-		param_stack[0].parameter[param] = param_defaults[param];
+		param_stack[0].parameter[param] = saved_parameters[param] = param_defaults[param];
 
 	SetParameter(espeakRATE, 175, 0);
 	SetParameter(espeakVOLUME, 100, 0);