git-gui: show the maxrecentrepo config option in the preferences dialog

Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>

git-gui.sh

@@ -894,6 +894,7 @@ set default_config(gui.textconv) true
 set default_config(gui.pruneduringfetch) false
 set default_config(gui.trustmtime) false
 set default_config(gui.fastcopyblame) false
+set default_config(gui.maxrecentrepo) 10
 set default_config(gui.copyblamethreshold) 40
 set default_config(gui.blamehistoryctx) 7
 set default_config(gui.diffcontext) 5

lib/option.tcl

@@ -150,6 +150,7 @@ proc do_options {} {
 		{b gui.matchtrackingbranch {mc "Match Tracking Branches"}}
 		{b gui.textconv {mc "Use Textconv For Diffs and Blames"}}
 		{b gui.fastcopyblame {mc "Blame Copy Only On Changed Files"}}
+		{i-0..100 gui.maxrecentrepo {mc "Maximum Length of Recent Repositories List"}}
 		{i-20..200 gui.copyblamethreshold {mc "Minimum Letters To Blame Copy On"}}
 		{i-0..300 gui.blamehistoryctx {mc "Blame History Context Radius (days)"}}
 		{i-1..99 gui.diffcontext {mc "Number of Diff Context Lines"}}