add headers/fix formatting

libsrc/c128/waitvsync.s

@@ -1,3 +1,8 @@
+;
+; Written by Groepaz <groepaz@gmx.net>
+;
+; void waitvsync (void);
+;
 
         .export         _waitvsync
 

libsrc/c64/waitvsync.s

@@ -1,3 +1,8 @@
+;
+; Written by Groepaz <groepaz@gmx.net>
+;
+; void waitvsync (void);
+;
 
         .export         _waitvsync
 

libsrc/cbm510/waitvsync.s

@@ -1,3 +1,8 @@
+;
+; Written by Groepaz <groepaz@gmx.net>
+;
+; void waitvsync (void);
+;
 
         .export         _waitvsync
         .import         PALFLAG

libsrc/gamate/waitvsync.s

@@ -1,4 +1,6 @@
 ;
+; Written by Groepaz <groepaz@gmx.net>
+;
 ; void waitvsync (void);
 ;
 

libsrc/nes/waitvsync.s

@@ -1,5 +1,5 @@
 ;
-; Written by Groepaz/Hitmen <groepaz@gmx.net>
+; Written by Groepaz <groepaz@gmx.net>
 ; Cleanup by Ullrich von Bassewitz <uz@cc65.org>
 ;
 ; void waitvsync(void);

libsrc/pce/waitvsync.s

@@ -1,4 +1,6 @@
 ;
+; Written by Groepaz <groepaz@gmx.net>
+;
 ; void waitvsync (void);
 ;
 

libsrc/plus4/waitvsync.s

@@ -1,3 +1,8 @@
+;
+; Written by Groepaz <groepaz@gmx.net>
+;
+; void waitvsync (void);
+;
 
         .export         _waitvsync
 

libsrc/vic20/waitvsync.s

@@ -1,3 +1,9 @@
+;
+; Written by Groepaz <groepaz@gmx.net>
+;
+; void waitvsync (void);
+;
+
         .export         _waitvsync
 
         .include        "vic20.inc"