Add AudioAnalyzeGuitarTuner keywords

keywords.txt

@@ -16,6 +16,7 @@ AudioAnalyzeFFT1024	KEYWORD2
 AudioAnalyzePeak	KEYWORD2
 AudioAnalyzePrint	KEYWORD2
 AudioAnalyzeToneDetect	KEYWORD2
+AudioAnalyzeGuitarTuner	KEYWORD2
 AudioEffectChorus	KEYWORD2
 AudioEffectFade	KEYWORD2
 AudioEffectFlange	KEYWORD2
@@ -114,6 +115,7 @@ calcBiquad	KEYWORD2
 sampleRate	KEYWORD2
 bits	KEYWORD2
 mute_PCM	KEYWORD2
+probability	KEYWORD2
 
 AudioMemoryUsage	KEYWORD2
 AudioMemoryUsageMax	KEYWORD2