Bump version to 0.9.2

Change-Id: I23f254eaa58fdf8f49c54fd1e00452c5bce943dd
diff --git a/src/dereko2vec.c b/src/dereko2vec.c
index 7c8bb5f..78bdbfd 100644
--- a/src/dereko2vec.c
+++ b/src/dereko2vec.c
@@ -1940,7 +1940,7 @@
 }
 
 void print_help() {
-		printf("WORD VECTOR estimation toolkit v 0.9.1\n\n");
+		printf("WORD VECTOR estimation toolkit v 0.9.2\n\n");
 		printf("Options:\n");
 		printf("Parameters for training:\n");
 		printf("\t-train <file>\n");