Update sms.lua

src/apps/sms.lua

@@ -87,6 +87,7 @@ local function readMsg()
 		term.setTextColor(colors.white)
 		term.clear()
 		term.setCursorPos(1,1)
+		if sendTo ~= "" then
 			term.write("Send: ")
 			local msg = read()
 			local msg = base64.encode(msg)
@@ -122,6 +123,16 @@ local function readMsg()
 					end
 				end
 			end
+		else
+			term.write("Press enter to exit")
+			while true do
+				local _, k = os.pullEvent("key")
+				if k == keys.enter then
+					term.redirect(mainTerm)
+					return
+				end
+			end
+		end
 	end
 end
 local function recMsg()
@@ -145,7 +156,9 @@ local function recMsg()
 		end
 	end
 end
+if sendTo ~= "" then
 	printMsg("Type /logout to exit")
+end
   while true do
     stream = http.post(server.."update.php",head)
     newMessages = {}