Fix signatures of placement operator delete in places where placement

delete is declared. As we don't use exceptions placement delete is never 
called and the fix only affects numerous warnings when
compiling with MS Visual C++.
For more info see http://www.gotw.ca/gotw/010.htm.

1 files changed, 1 insertions, 1 deletions

diff --git a/sql/sql_string.h b/sql/sql_string.h
index 9136dddbbf2..3ad4689cf36 100644
--- a/sql/sql_string.h
+++ b/sql/sql_string.h
@@ -73,7 +73,7 @@ public:
   { return (void*) alloc_root(mem_root, (uint) size); }
   static void operator delete(void *ptr_arg,size_t size)
     {}
-  static void operator delete(void *ptr_arg,size_t size, MEM_ROOT *mem_root)
+  static void operator delete(void *ptr_arg, MEM_ROOT *mem_root)
     {}
   ~String() { free(); }