jove 4.9 (filter-region dumps core with GCC)

[Rob McMahon]

The filter-region command in jove uses mktemp("...") which dumps core when
compiled with GCC or any compiler that puts strings in read-only memory.  Fix:

RCS file: proc.c,v
retrieving revision 1.1
diff -c -r1.1 proc.c
*** /tmp/,RCSt1a02006	Sat Sep 10 12:07:58 1988
--- proc.c	Sat Sep 10 11:24:22 1988
***************
*** 748,754 ****
  {
  	Mark	*m = CurMark();
  #ifndef MSDOS
! 	char	*tname = mktemp("/tmp/jfilterXXXXXX"),
  		combuf[128];
  #endif /* MSDOS */
  	Window	*save_wind = curwind;
--- 748,755 ----
  {
  	Mark	*m = CurMark();
  #ifndef MSDOS
! 	static char	tnambuf[20];
! 	char	*tname,
  		combuf[128];
  #endif /* MSDOS */
  	Window	*save_wind = curwind;
***************
*** 760,765 ****
--- 761,768 ----
  	File	*fp;
  
  #ifndef MSDOS
+ 	strcpy (tnambuf, "/tmp/jfilterXXXXXX");
+ 	tname = mktemp(tnambuf);
  	fp = open_file(tname, iobuff, F_WRITE, COMPLAIN, QUIET);
  #else /* MSDOS */
  	p0 = openforpipe();
-- 
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Rob McMahon, Computing Services, Warwick University, Coventry CV4 7AL, England