run dependency corrected

README

@@ -35,7 +35,7 @@ How to build:
 How to run (after build):
 	GUI only:
 		if you have 64-bit version of Ubuntu, do this:
-			sudo apt-get install libgtk2.0-2:i386
+			sudo apt-get install libgtk2.0-0:i386
 
 	cd BlackBox
 	./run-BlackBox