Fix build

Change-Id: I2a876df097d59324aeb58eb83698ec622ac6191b
diff --git a/native/jni/Android.mk b/native/jni/Android.mk
index e4a4682..44474df 100644
--- a/native/jni/Android.mk
+++ b/native/jni/Android.mk
@@ -50,7 +50,7 @@
     unigram_dictionary.cpp \
     suggest/core/suggest.cpp \
     $(addprefix obsolete/, \
-        words_priority_queue.cpp \
+        words_priority_queue.cpp) \
     $(addprefix suggest/core/dicnode/, \
         dic_node.cpp \
         dic_node_utils.cpp \