beep uses C++ io, moved to section including stdc++.r4

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1587 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/bin/Jamfile

@@ -4,7 +4,6 @@ StdBinCommands
 		alert.cpp
 		clipboard.cpp
 		shutdown.cpp
-		beep.cpp
 		clipboard.cpp
 		df.cpp
 		isvolume.cpp
@@ -17,6 +16,7 @@ StdBinCommands
 
 StdBinCommands
 		roster.cpp
+		beep.cpp
 		catattr.cpp
 	: be stdc++.r4 ;