clang-tidy: no else after return

Found with readability-else-after-return

Signed-off-by: Rosen Penev <rosenp@gmail.com>

taglib/toolkit/tutils.h

@@ -203,8 +203,7 @@ namespace TagLib
 
         if(length > 0)
           return String(buf);
-        else
-          return String();
+        return String();
       }
 
       /*!
@@ -231,8 +230,7 @@ namespace TagLib
         u.i = 1;
         if(u.c == 1)
           return LittleEndian;
-        else
-          return BigEndian;
+        return BigEndian;
       }
     }
   }