Fix build

Disable r8044 differently.
Unreviewed

git-svn-id: http://skia.googlecode.com/svn/trunk@8057 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/common_variables.gypi b/gyp/common_variables.gypi
index 1934082..8ddbbb4 100644
--- a/gyp/common_variables.gypi
+++ b/gyp/common_variables.gypi
@@ -92,7 +92,7 @@
       # Note: This is currently only turned on for linux and android.
       # TODO: Turn on for Win and Mac as well.
       'skia_warnings_as_errors%': 0,
-      'skia_win_debuggers_path': '',
+      'skia_win_debuggers_path%': '',
     },
 
     # Re-define all variables defined within the level-2 'variables' dict,