[PATCH 2/3] gitk: improve dark background, use diffcolor 2 for link

[David Fries <david@fries.net>]

blue on a black background might as well look like dark blue on black
and is very difficult to read.  The "Diff: hunk header" keeps the
colors more consistent and both default to blue.
---
 gitk-git/gitk |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/gitk-git/gitk b/gitk-git/gitk
index 8ca7182..a851762 100644
--- a/gitk-git/gitk
+++ b/gitk-git/gitk
@@ -6673,7 +6673,7 @@ proc appendwithlinks {text tags} {
 }
 
 proc setlink {id lk} {
-    global curview ctext pendinglinks
+    global curview ctext pendinglinks diffcolors
 
     set known 0
     if {[string length $id] < 40} {
@@ -6687,7 +6687,7 @@ proc setlink {id lk} {
 	set known [commitinview $id $curview]
     }
     if {$known} {
-	$ctext tag conf $lk -foreground blue -underline 1
+	$ctext tag conf $lk -foreground [lindex $diffcolors 2] -underline 1
 	$ctext tag bind $lk <1> [list selbyid $id]
 	$ctext tag bind $lk <Enter> {linkcursor %W 1}
 	$ctext tag bind $lk <Leave> {linkcursor %W -1}
-- 
1.7.1