Fix grammar fail in cosmos.lua (string freeze compliant)
This is string freeze compliant because the new string is already contained in stub.lua.
--- a/share/hedgewars/Data/Missions/Campaign/A_Space_Adventure/cosmos.lua Sun Nov 12 17:10:44 2017 +0100
+++ b/share/hedgewars/Data/Missions/Campaign/A_Space_Adventure/cosmos.lua Sun Nov 12 17:25:17 2017 +0100
@@ -40,7 +40,7 @@
[dialog07] = {missionName, loc("Searching the stars!"), loc("Use the saucer and fly away").."|"..loc("Visit the planets of Ice, Desert and Fruit before you proceed to the Death Planet"), 1, 6000},
[dialog08] = {missionName, loc("Saving Hogera"), loc("Fly to the meteorite and detonate the explosives"), 1, 7000},
["open_side_missions"] = {missionName, loc("Conquering the galaxy"),
- loc("Use the flying saucer to fly the other planets.").."|"..
+ loc("Use the flying saucer to fly to the other planets.").."|"..
loc("Complete the remaining side missions to complete this mission.").."|"..
loc("One flower: Incomplete side missions").."|"..
loc("Two flowers: All missions complete"), 1, 8000},