[PATCH] gitweb: suppress 'Use of uninitialized value' error

Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@xxxxxxxxx>
---
 gitweb/gitweb.perl |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

The patch could have been a one-liner by adding the defined check at
line 943, but that pushed the line to 120 char, so I decided for this
slightly more complex form.

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index 7fbd5ff..c7f257e 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -940,10 +940,13 @@ sub href {
                        if (defined $params{'hash_parent_base'}) {
                                $href .= esc_url($params{'hash_parent_base'});
                                # skip the file_parent if it's the same as the 
file_name
-                               delete $params{'file_parent'} if 
$params{'file_parent'} eq $params{'file_name'};
-                               if (defined $params{'file_parent'} && 
$params{'file_parent'} !~ /\.\./) {
-                                       $href .= 
":/".esc_url($params{'file_parent'});
-                                       delete $params{'file_parent'};
+                               if (defined $params{'file_parent'}) {
+                                       if ($params{'file_parent'} eq 
$params{'file_name'}) {
+                                               delete $params{'file_parent'};
+                                       } else if ($params{'file_parent'} !~ 
/\.\./) {
+                                               $href .= 
":/".esc_url($params{'file_parent'});
+                                               delete $params{'file_parent'};
+                                       }
                                }
                                $href .= "..";
                                delete $params{'hash_parent'};
-- 
1.6.3.rc1.192.gdbfcb

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