Make scriptclass::load(other) rely less on std::string

Instead of comparing against an std::string (which is heavily
templated), just use good ol' SDL_strcmp().

desktop_version/src/Script.h

@@ -22,9 +22,9 @@ public:
 
     scriptclass();
 
-    void load(std::string t);
-    void loadother(std::string t);
-
+    void load(std::string name);
+    void loadother(const char* t);
+    void loadcustom(std::string t);
 
     void inline add(std::string t)
     {
@@ -45,8 +45,6 @@ public:
 
     void hardreset();
 
-    void loadcustom(std::string t);
-
     //Script contents
     std::vector<std::string> commands;
     std::string words[40];