patch-2.5.4 compilation warnings (1)

[Bruno Haible]

When compiling patch-2.5.4 on FreeBSD with glibc 2.3 and "gcc -Wall", I get
warnings about missing declarations of abort() and exit(). This is because
<stdlib.h> doesn't get included, and also because HAVE_STDLIB_H doesn't get
defined in config.h. I could get rid of the warnings by the appended quick
hack.

diff -r -c3 patch-2.5.4.bak/argmatch.c patch-2.5.4/argmatch.c
*** patch-2.5.4.bak/argmatch.c  Tue Aug 10 01:09:13 1999
--- patch-2.5.4/argmatch.c      Sat Oct  5 22:51:37 2002
***************
*** 21,26 ****
--- 21,27 ----
  #include "argmatch.h"
  
  #include <stdio.h>
+ #include <stdlib.h>
  #ifdef STDC_HEADERS
  # include <string.h>
  #endif
diff -r -c3 patch-2.5.4.bak/quotearg.c patch-2.5.4/quotearg.c
*** patch-2.5.4.bak/quotearg.c  Mon Aug 23 11:55:55 1999
--- patch-2.5.4/quotearg.c      Sat Oct  5 22:51:24 2002
***************
*** 56,64 ****
  # define UCHAR_MAX ((unsigned char) -1)
  #endif
  
- #if HAVE_STDLIB_H
  # include <stdlib.h>
- #endif
  
  #if HAVE_STRING_H
  # include <string.h>
--- 56,62 ----


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