Fix the makefile to use the right directory

Reported by severos on IRC, the current output
class is in the right place, but the makefile
was broken.

external/source/exploits/CVE-2013-2465/Makefile

@@ -7,7 +7,7 @@ CLASSES = Exploit.java
 all: $(CLASSES:.java=.class)
 
 install:
-	mv *.class ../../../../data/exploits/CVE-2013-3465/
+	mv *.class ../../../../data/exploits/CVE-2013-2465/
 
 clean:
 	rm -rf *.class