Issue 4550 (1/2) Avoid "using namespace std;" in included files

[lilypond.git] / lily / system.cc

diff --git a/lily/system.cc b/lily/system.cc
index 4a18ab52b7fd8c8b61d153d182fe79afad490208..c613cccf75cc2e8f83081fb2cd5e2fcbf28f5c9f 100644 (file)
--- a/lily/system.cc
+++ b/lily/system.cc
@@ -42,6 +42,8 @@
 #include "unpure-pure-container.hh"
 #include "lily-imports.hh"
 
+using std::vector;
+
 System::System (System const &src)
   : Spanner (src)
 {