- Fix build

Submitted by:	pointyhat via erwin/pav

cad/brlcad/files/patch-src-vas4_vas_io.c

@@ -1,5 +1,3 @@
-Add the following patch to the files/ directory:
-
 --- src/vas4/vas_io.c	2007-07-26 03:14:00.000000000 +0200
 +++ src/vas4/vas_io.c	2007-12-28 11:30:45.000000000 +0100
 @@ -41,6 +41,8 @@
@@ -11,7 +9,25 @@ Add the following patch to the files/ directory:
  #if defined(HAVE_XOPEN)
  #  include <termios.h>
  
-@@ -149,7 +151,7 @@
+@@ -93,6 +95,8 @@
+ 
+ 	/* Setup VAS line */
+ 
++#ifndef HAVE_XOPEN
++
+ #ifdef HAVE_TERMIO_H
+ 
+ 	vtty.c_cflag = BAUD | CS8;      /* Character size = 8 bits */
+@@ -137,7 +141,7 @@
+ #  endif /* HAVE_SGTTY_H */
+ #endif /* HAVE_TERMIO_H */
+ 
+-#ifdef HAVE_XOPEN
++#else /* HAVE_XOPEN */
+ 	vtty.c_cflag = BAUD | CS8;      /* Character size = 8 bits */
+ 	vtty.c_cflag &= ~CSTOPB;         /* One stop bit */
+ 	vtty.c_cflag |= CREAD;           /* Enable the reader */
+@@ -149,7 +153,7 @@
  	vtty.c_iflag |= IGNBRK|IGNPAR;
  
  	vtty.c_oflag &= ~(OPOST|ONLCR|OCRNL);    /* Turn off all post-processing */
@@ -20,3 +36,12 @@ Add the following patch to the files/ directory:
  	vtty.c_cc[VMIN] = 1;
  	vtty.c_cc[VTIME] = 0;
  
+@@ -167,7 +171,7 @@
+ 		perror(VAS_PORT);
+ 		exit(2);
+ 	}
+-#endif
++#endif /* !HAVE_XOPEN */
+ }
+ 
+ /*