[gtk+] Fix a variable name misspelling

[Matthias Clasen <matthiasc src gnome org>]

commit 9ddd40f61e9b4bcb861ec8c66a877da0f65dc5f2
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Sep 4 08:21:49 2016 -0400

    Fix a variable name misspelling
    
    No semantic change here; the misspelling just annoyed me.

 gtk/theme/HighContrast/_common.scss |   14 +++++++-------
 1 files changed, 7 insertions(+), 7 deletions(-)
---
diff --git a/gtk/theme/HighContrast/_common.scss b/gtk/theme/HighContrast/_common.scss
index c30f1aa..145d257 100644
--- a/gtk/theme/HighContrast/_common.scss
+++ b/gtk/theme/HighContrast/_common.scss
@@ -2269,7 +2269,7 @@ treeview.view radio {
 scale {
   // sizing
 
-  $_marks_lenght: 6px;
+  $_marks_length: 6px;
   $_marks_distance: 6px;
 
   min-height: 10px;
@@ -2400,7 +2400,7 @@ scale {
                                                      (bottom, right, left) {
       &.#{$marks_class} {
         margin-#{$marks_margin}: $_marks_distance;
-        margin-#{$marks_pos}: -($_marks_distance + $_marks_lenght);
+        margin-#{$marks_pos}: -($_marks_distance + $_marks_length);
       }
     }
   }
@@ -2412,25 +2412,25 @@ scale {
                                                      (bottom, right, left) {
       &.#{$marks_class} {
         margin-#{$marks_margin}: $_marks_distance;
-        margin-#{$marks_pos}: -($_marks_distance + $_marks_lenght - 3px);
+        margin-#{$marks_pos}: -($_marks_distance + $_marks_length - 3px);
       }
     }
   }
   &.horizontal {
     indicator {
-      min-height: $_marks_lenght;
+      min-height: $_marks_length;
       min-width: 1px;
     }
 
-    &.fine-tune indicator { min-height: ($_marks_lenght - 3px); }
+    &.fine-tune indicator { min-height: ($_marks_length - 3px); }
   }
   &.vertical {
     indicator {
       min-height: 1px;
-      min-width: $_marks_lenght;
+      min-width: $_marks_length;
     }
 
-    &.fine-tune indicator { min-width: ($_marks_lenght - 3px); }
+    &.fine-tune indicator { min-width: ($_marks_length - 3px); }
   }
 }