Merge from HEAD - make Samba compile with -Wwrite-strings without additional

warnings.  (Adds a lot of const).

Andrew Bartlett

source/include/passdb.h

@@ -153,7 +153,7 @@ typedef NTSTATUS (*pdb_init_function)(struct pdb_context *,
 			 const char *);
 
 struct pdb_init_function_entry {
-	char *name;
+	const char *name;
 	/* Function to create a member of the pdb_methods list */
 	pdb_init_function init;
 };