dynRPG raw - fix for unsuported get<int>() function

dynRPG raw - fix for unsuported get<int>() function
(Mac, Android, etc)...

src/constants.h

@@ -777,10 +777,10 @@ class Constants {
 			{"TERRAIN_EVENT_TRANSPARENT", 3},
 
 			// Special Text Parts
-			{"CR", "Chr(0x0D)"},
-			{"LF", "Chr(0x0A)"},
-			{"CRLF", "CR..LF"},
-			{"QUOTE", "\"\""},
+			{"CR", std::string("Chr(0x0D)")},
+			{"LF", std::string("Chr(0x0A)")},
+			{"CRLF", std::string("CR..LF")},
+			{"QUOTE", std::string("\"\"")},
 
 			// Text Colors
 			{"TEXTCOLOR_DEFAULT", 0},
@@ -1338,21 +1338,28 @@ class Constants {
 		if (mapIt != mapCollection.end()) {
 			// Use the map associated with the mapName to look up the key in a case-insensitive manner
 			auto& map = mapIt->second;
-			// Convert the search key and map keys to lowercase (or uppercase) for a case-insensitive search
+			// Convert the search key to lowercase for a case-insensitive search
 			std::string lowercaseKey = toLower(key);
 			for (auto it = map.begin(); it != map.end(); ++it) {
 				std::string lowercaseMapKey = toLower(it->first);
 				if (lowercaseMapKey == lowercaseKey) {
-					if (std::holds_alternative<std::string>(it->second)) {
-						return std::get<std::string>(it->second);
-					}
-					else {
-						return std::to_string(std::get<int>(it->second));
-					}
+					// Use std::visit to access the value stored in the variant
+					std::variant<int, std::string>& value = it->second;
+					std::string result;
+					std::visit([&result](auto&& arg) {
+						using T = std::decay_t<decltype(arg)>;
+						if constexpr (std::is_same_v<T, std::string>) {
+							result = arg;
+						}
+						else if constexpr (std::is_same_v<T, int>) {
+							result = std::to_string(arg);
+						}
+						}, value);
+					return result;
 				}
 			}
 		}
-		return "0"; // Key not found
+		return "0"; // 0 when Key not found
 	}
 
 	// Helper function to convert a string to lowercase