* src/id.c: Include "getugroups.h" rather than declaring manually.

ChangeLog

@@ -1,3 +1,7 @@
+2007-07-05  Jim Meyering  <jim@meyering.net>
+
+	* src/id.c: Include "getugroups.h" rather than declaring manually.
+
 2007-07-04  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* NEWS: pr -F no longer suppresses the footer or the first two blank

src/id.c

@@ -29,6 +29,7 @@
 
 #include "system.h"
 #include "error.h"
+#include "getugroups.h"
 #include "quote.h"
 
 /* The official name of this program (e.g., no `g' prefix).  */
@@ -36,8 +37,6 @@
 
 #define AUTHORS "Arnold Robbins", "David MacKenzie"
 
-int getugroups ();
-
 /* If nonzero, output only the SELinux context. -Z */
 static int just_context = 0;