qbs files: Add QT_NO_CAST_FROM_ASCII to git and todo

Change-Id: Ic9f61a8e08e591853b00ef31b418aa59fd771240
Reviewed-by: Joerg Bornemann <joerg.bornemann@nokia.com>

src/plugins/git/git.qbs

@@ -13,6 +13,7 @@ QtcPlugin {
     Depends { name: "Locator" }
 
     Depends { name: "cpp" }
+    cpp.defines: base.concat(["QT_NO_CAST_FROM_ASCII"])
     cpp.includePaths: [
         ".",
         "gitorious",

src/plugins/todo/todo.qbs

@@ -14,7 +14,7 @@ QtcPlugin {
     Depends { name: "QmlJs" }
 
     Depends { name: "cpp" }
-    cpp.defines: base.concat(["QT_NO_CAST_TO_ASCII"])
+    cpp.defines: base.concat(["QT_NO_CAST_FROM_ASCII"])
     cpp.includePaths: [
         "..",
         "../../libs",