--- hatari/src/falcon/microphone.h	2019/04/09 08:48:47	1.1.1.1
+++ hatari/src/falcon/microphone.h	2019/04/09 08:53:23	1.1.1.3
@@ -1,20 +1,20 @@
 /*
   Hatari - microphone.h
 
-  This file is distributed under the GNU Public License, version 2 or at
-  your option any later version. Read the file gpl.txt for details.
+  This file is distributed under the GNU General Public License, version 2
+  or at your option any later version. Read the file gpl.txt for details.
 */
 
 #ifndef HATARI_MICROPHONE_H
 #define HATARI_MICROPHONE_H
 
 #if HAVE_PORTAUDIO
-extern int Microphone_Start (int sampleRate);
-extern int Microphone_Stop (void);
+extern bool Microphone_Start (int sampleRate);
+extern bool Microphone_Stop (void);
 #else
 /* replace function calls with NOPs (could also be empty static inlines) */
-#define Microphone_Start(rate) 0
-#define Microphone_Stop() 0
+#define Microphone_Start(rate) false
+#define Microphone_Stop() false
 #endif