pwdx: Do not link to libprocps

pwdx doesn't actually use any of the libprocps functions but
it is linked because it is the default.  This specific LDADD
removes that unrequired linking.

Makefile.am

@@ -125,6 +125,7 @@ pgrep_SOURCES = pgrep.c lib/fileutils.c lib/nsutils.c
 pkill_SOURCES = pgrep.c lib/fileutils.c lib/nsutils.c
 pmap_SOURCES = pmap.c lib/fileutils.c
 pwdx_SOURCES = pwdx.c lib/fileutils.c
+pwdx_LDADD=
 sysctl_SOURCES = sysctl.c lib/fileutils.c
 tload_SOURCES = tload.c lib/strutils.c lib/fileutils.c
 uptime_SOURCES = uptime.c lib/fileutils.c

pwdx.c

@@ -26,7 +26,6 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#include "proc/version.h"
 #include "c.h"
 #include "nls.h"
 #include "xalloc.h"