tal-reverb-2: use 48000 as fallback sample rate

Signed-off-by: falkTX <falktx@falktx.com>

ports/tal-reverb-2/source/TalCore.cpp

@@ -48,7 +48,7 @@ TalCore::TalCore()
 	if (this->getSampleRate() > 0)
 		sampleRate = (float)this->getSampleRate();
 	else
-		sampleRate = 44100.0f;
+		sampleRate = 48000.0f;
 
 	engine = new ReverbEngine(sampleRate);
 	params = engine->param;