Add shared preference for re-correction

Change-Id: Ie5b2e0d2f9739dd33524c2688e172e77aac1f243
diff --git a/java/res/xml/prefs.xml b/java/res/xml/prefs.xml
index b4d2d90..762ada0 100644
--- a/java/res/xml/prefs.xml
+++ b/java/res/xml/prefs.xml
@@ -38,6 +38,13 @@
             />
 
     <CheckBoxPreference
+            android:key="recorrection_enabled"
+            android:title="@string/prefs_enable_recorrection"
+            android:persistent="true"
+            android:defaultValue="@bool/default_recorrection_enabled"
+            />
+
+    <CheckBoxPreference
             android:key="auto_cap"
             android:title="@string/auto_cap"
             android:persistent="true"