fixed invalid C prototypes

src/audioOutput.h

@@ -33,7 +33,7 @@
 
 typedef struct _AudioOutput AudioOutput;
 
-typedef int (*AudioOutputTestDefaultDeviceFunc) ();
+typedef int (*AudioOutputTestDefaultDeviceFunc) (void);
 
 typedef int (*AudioOutputInitDriverFunc) (AudioOutput * audioOutput,
 					  ConfigParam * param);

src/audioOutputs/audioOutput_fifo.c

@@ -36,7 +36,7 @@ typedef struct _FifoData {
 	Timer *timer;
 } FifoData;
 
-static FifoData *newFifoData()
+static FifoData *newFifoData(void)
 {
 	FifoData *ret;
 

src/directory.c

@@ -64,7 +64,7 @@ static volatile int directory_reReadDB;
 
 static volatile mpd_uint16 directory_updateJobId;
 
-static DirectoryList *newDirectoryList();
+static DirectoryList *newDirectoryList(void);
 
 static int addToDirectory(Directory * directory, char *shortname, char *name);
 

src/inputPlugin.h

@@ -31,10 +31,10 @@
 
 /* optional, set this to NULL if the InputPlugin doesn't have/need one
  * this must return < 0 if there is an error and >= 0 otherwise */
-typedef int (*InputPlugin_initFunc) ();
+typedef int (*InputPlugin_initFunc) (void);
 
 /* optional, set this to NULL if the InputPlugin doesn't have/need one */
-typedef void (*InputPlugin_finishFunc) ();
+typedef void (*InputPlugin_finishFunc) (void);
 
 /* boolean return value, returns 1 if the InputStream is decodable by
  * the InputPlugin, 0 if not */

src/mp4ff/drms.c

@@ -871,7 +871,7 @@ struct drms_s
 
 #define P_DRMS ((struct drms_s *)p_drms)
 
-void *drms_alloc()
+void *drms_alloc(void)
 {
     struct drms_s *p_drms;
 

src/mp4ff/drms.h

@@ -31,7 +31,7 @@ extern int drms_get_sys_key( uint32_t *p_sys_key );
 extern int drms_get_user_key( uint32_t *p_sys_key,
                               uint32_t *p_user_key );
 
-extern void *drms_alloc();
+extern void *drms_alloc(void);
 extern void drms_free( void *p_drms );
 extern int drms_init( void *p_drms, uint32_t i_type,
                       uint8_t *p_info, uint32_t i_len );

src/tagTracker.h

@@ -27,7 +27,7 @@ void removeTagItemString(int type, char *string);
 
 int getNumberOfTagItems(int type);
 
-void printMemorySavedByTagTracker();
+void printMemorySavedByTagTracker(void);
 
 void resetVisitedFlagsInTagTracker(int type);