Updated C6308

Removed extra asterisk

Author: MugBergerFries

docs/code-quality/c6308.md

@@ -9,7 +9,7 @@ ms.assetid: 1162cd96-9037-4576-9858-0c8361a12559
 ---
 # Warning C6308
 
-> 'realloc' may return null pointer: assigning a null pointer to '\**parameter-name*', which is passed as an argument to 'realloc', will cause the original memory block to be leaked
+> 'realloc' may return null pointer: assigning a null pointer to '*parameter-name*', which is passed as an argument to 'realloc', will cause the original memory block to be leaked
 
 ## Remarks