Update ex9_46.cpp

Author: Mooophy

ch09/ex9_46.cpp

@@ -12,8 +12,7 @@
 #include <iostream>
 #include <string>
 
-std::string
-pre_suffix(const std::string &name, const std::string &pre, const std::string &su)
+std::string pre_suffix(const std::string &name, const std::string &pre, const std::string &su)
 {
     std::string ret(name);
     ret.insert(0, pre);
@@ -28,4 +27,4 @@ int main()
     std::cout << pre_suffix(name, "Mr.", ",Jr.");
 
     return 0;
-}
+}