Fixups for functions defined by dspsubrs.c to dspsubrs.h. Update subr.c and gcr.c

src/gcr.c

@@ -66,6 +66,7 @@ static char *id = "$Id: gcr.c,v 1.3 1999/05/31 23:35:32 sybalsky Exp $ Copyright
 #include "adr68k.h"
 #include "lspglob.h"
 #include "stack.h"
+#include "dspsubrs.h"
 #include "gc.h"
 
 #define MAXSMALLP 65535

src/subr.c

@@ -51,6 +51,7 @@ static char *id = "$Id: subr.c,v 1.3 1999/05/31 23:35:42 sybalsky Exp $ Copyrigh
 #include "ufs.h"
 #include "dir.h"
 #include "chardev.h"
+#include "dspsubrs.h"
 
 extern LispPTR *PENDINGINTERRUPT68k;