Added help for --local-infile

Fix for bug on intel where (int32) 1 << 32 == 1, which gave problems when using 32 keys.
Allow SET PASSWORD for anonymous user

client/mysql.cc

@@ -487,6 +487,7 @@ static void usage(int version)
   -i, --ignore-space	Ignore space after function names.\n\
   -h, --host=...	Connect to host.\n\
   -H, --html		Produce HTML output.\n\
+  --local-infile=[1|0]  Enable/disable LOAD DATA LOCAL INFILE\n\
   -L, --skip-line-numbers\n\
                         Don't write line number for errors.\n");
 #ifndef __WIN__