Fixed a compile-breaking error;

Added the ability to set each floppy drive to turbo speed which will make it opperate at an effective 8000 kbps @ 300 rpm, for those who want faster but less accurate floppy timings.

src/fdd.c

@@ -30,6 +30,8 @@ static struct
 	int densel;
 
 	int head;
+
+	int turbo;
 } fdd[FDD_NUM];
 
 /* Flags:
@@ -312,6 +314,16 @@ int fdd_get_head(int drive)
 	return fdd[drive].head;
 }
 
+void fdd_set_turbo(int drive, int turbo)
+{
+	fdd[drive].turbo = turbo;
+}
+
+int fdd_get_turbo(int drive)
+{
+	return fdd[drive].turbo;
+}
+
 int fdd_get_densel(int drive)
 {
 	if (drive_types[fdd[drive].type].flags & FLAG_INVERT_DENSEL)