Documentation: change "&" to "and" in Documentation/applying-patches.txt

http://english.stackexchange.com/questions/3127/when-to-use-instead-of-and

Signed-off-by: Oscar Utbult <oscar@oscr.io>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

Documentation/applying-patches.txt

@@ -94,7 +94,7 @@ Common errors when patching
 ---
  When patch applies a patch file it attempts to verify the sanity of the
 file in different ways.
-Checking that the file looks like a valid patch file & checking the code
+Checking that the file looks like a valid patch file and checking the code
 around the bits being modified matches the context provided in the patch are
 just two of the basic sanity checks patch does.