diff --git a/compiler/cpp/src/md5.h b/compiler/cpp/src/md5.h
index 698c995..3baa4dc 100644
--- a/compiler/cpp/src/md5.h
+++ b/compiler/cpp/src/md5.h
@@ -71,7 +71,7 @@
 } md5_state_t;
 
 #ifdef __cplusplus
-extern "C" 
+extern "C"
 {
 #endif