Turn words into an array instead of an std::vector

It never changes its size, so it doesn't need to be a dynamically-sized
vector.

desktop_version/src/Script.cpp

@@ -11,8 +11,6 @@ scriptclass::scriptclass()
 	//Start SDL
 
 	//Init
-	words.resize(40);
-
 	position = 0;
 	scriptdelay = 0;
 	running = false;

desktop_version/src/Script.h

@@ -49,7 +49,7 @@ public:
 
     //Script contents
     std::vector<std::string> commands;
-    std::vector<std::string> words;
+    std::string words[40];
     std::vector<std::string> txt;
     std::string scriptname;
     int position;