Avoid a test failure if id didn't work.

testsuite/rsync.fns

@@ -102,7 +102,7 @@ rsync_ls_lR() {
 }
 
 get_testuid() {
-    uid=`id -u 2>/dev/null`
+    uid=`id -u 2>/dev/null || true`
     case "$uid" in
 	[0-9]*) echo "$uid" ;;
 	*) id 2>/dev/null | sed 's/^[^0-9]*\([0-9][0-9]*\).*/\1/' ;;
@@ -110,7 +110,7 @@ get_testuid() {
 }
 
 get_rootuid() {
-    uid=`id -u root 2>/dev/null`
+    uid=`id -u root 2>/dev/null || true`
     case "$uid" in
 	[0-9]*) echo "$uid" ;;
 	*) echo 0 ;;
@@ -118,7 +118,7 @@ get_rootuid() {
 }
 
 get_rootgid() {
-    gid=`id -g root 2>/dev/null`
+    gid=`id -g root 2>/dev/null || true`
     case "$gid" in
 	[0-9]*) echo "$gid" ;;
 	*) echo 0 ;;