[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/subcommand/checkout_subcommand.cpp

@@ -45,7 +45,8 @@ namespace
             std::cout << "\t" << entry->index_to_workdir->old_file.path << std::endl;
         }
 
-        std::cout << "Please commit your changes or stash them before you switch branches.\nAborting" << std::endl;
+        std::cout << "Please commit your changes or stash them before you switch branches.\nAborting"
+                  << std::endl;
         return;
     }
 }