Merge pull request #261 from wx257osn2/patch-1

fix basic_istream::get interfaces

Author: faithandbrave

reference/istream/basic_istream/get.md

@@ -7,13 +7,13 @@
 ```cpp
 // 1文字
 int_type get();
-basic_istream<CharT, Traits>& get(char_type c);
+basic_istream<CharT, Traits>& get(char_type& c);
 
 // 文字列
 basic_istream<CharT, Traits>& get(char_type* s, streamsize n);
 basic_istream<CharT, Traits>& get(char_type* s, streamsize n, char_type delim);
-basic_istream<CharT, Traits>& get(basic_streambuf<char_type, Traits>* sb);
-basic_istream<CharT, Traits>& get(basic_streambuf<char_type, Traits>* sb, char_type delim);
+basic_istream<CharT, Traits>& get(basic_streambuf<char_type, Traits>& sb);
+basic_istream<CharT, Traits>& get(basic_streambuf<char_type, Traits>& sb, char_type delim);
 ```
 
 ##概要