Small cosmetic typo

Author: hdm

modules/exploits/linux/samba/is_known_pipename.rb

@@ -278,7 +278,7 @@ def find_payload
     return unless datastore['BruteforcePID']
 
     # XXX: This technique doesn't seem to work in practice, as both processes have setuid()d
-    #      to non-root, but their /proc/pid directories are still owned by root. Tryign to
+    #      to non-root, but their /proc/pid directories are still owned by root. Trying to
     #      read the /proc/other-pid/cwd/target.so results in permission denied. There is a
     #      good chance that this still works on some embedded systems and odd-ball Linux.