Merge branch 'maint'

* maint:
  Include signal.h in system.h

Conflicts:
	system.h

diff --cc system.h
index 5309fc5f6e0e62e9745a1ee51eedc4b7787a4da7,0d796e8b870b9b44a70a88be69c23d07bce51bfd..0692dcd46af90a4b524c8df29054bbfb55bb94ba
--- 1/system.h
--- 2/system.h
+++ b/system.h
@@@ -37,18 -37,16 +37,19 @@@
  #include <errno.h>
  #include <fcntl.h>
  #include <inttypes.h>
 +#include <limits.h>
+ #include <signal.h>
  #include <stdarg.h>
  #include <stddef.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
- #include <unistd.h>
  #include <time.h>
+ #include <unistd.h>
  #include <utime.h>
  
 +extern char **environ;
 +
  #if !HAVE_VSNPRINTF
    int rpl_vsnprintf(char *, size_t, const char *, va_list);
    #define vsnprintf rpl_vsnprintf