caddr_t is a legacy BSD type which was rejected by the POSIX standard.
Use void * instead.

sys/unitstd.h is not needed and moreover its not available on all C library
implementations e.g. musl

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Index: chkconfig-1.3.58/alternatives.c
===================================================================
--- chkconfig-1.3.58.orig/alternatives.c
+++ chkconfig-1.3.58/alternatives.c
@@ -22,7 +22,6 @@
 #include <stdio.h>
 #include <string.h>
 #include <sys/stat.h>
-#include <sys/unistd.h>
 #include <unistd.h>
 
 #define	FLAGS_TEST	(1 << 0)
Index: chkconfig-1.3.58/leveldb.c
===================================================================
--- chkconfig-1.3.58.orig/leveldb.c
+++ chkconfig-1.3.58/leveldb.c
@@ -442,7 +442,7 @@ int parseServiceInfo(int fd, char * name
     fstat(fd, &sb);
 
     bufstart = mmap(NULL, sb.st_size, PROT_READ, MAP_SHARED, fd, 0);
-    if (bufstart == ((caddr_t) -1)) {
+    if (bufstart == ((void*) -1)) {
 	close(fd);
 	return -1;
     }