Updated SC2245 (markdown)

SC2245.md

@@ -3,6 +3,8 @@
 ### Problematic code:
 
 ```sh
+#!/bin/ksh
+
 if [ -f ksh* ]
 then
   echo "The file exists"
@@ -12,6 +14,8 @@ fi
 ### Correct code:
 
 ```sh
+#!/bin/ksh
+
 for f in ksh*
 do
   if [ -f "$f" ]