Refactor CorrectionState to Correction

Change-Id: I5f1ce35413731f930b43b1c82014e65d9eaa240b
diff --git a/native/Android.mk b/native/Android.mk
index 04819e4..f07be6a 100644
--- a/native/Android.mk
+++ b/native/Android.mk
@@ -14,7 +14,7 @@
     jni/jni_common.cpp \
     src/bigram_dictionary.cpp \
     src/char_utils.cpp \
-    src/correction_state.cpp \
+    src/correction.cpp \
     src/dictionary.cpp \
     src/proximity_info.cpp \
     src/unigram_dictionary.cpp