Bump version number to v5.2.1

Author: RocketRobz

titleandsettings/arm9/source/main.cpp

@@ -509,7 +509,7 @@ int main(int argc, char **argv) {
 
 	char vertext[12];
 	// snprintf(vertext, sizeof(vertext), "Ver %d.%d.%d   ", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH); // Doesn't work :(
-	snprintf(vertext, sizeof(vertext), "Ver %d.%d.%d   ", 5, 2, 0);
+	snprintf(vertext, sizeof(vertext), "Ver %d.%d.%d   ", 5, 2, 1);
 
 	if (gotosettings) {
 		graphicsInit();