From: Shengjing Zhu <i@zhsj.me>
Date: Fri, 8 Jun 2018 15:10:44 +0800
Subject: fix spelling errors in external libraries

Signed-off-by: Shengjing Zhu <i@zhsj.me>
---
 external/process-cpp-minimal/src/core/posix/fork.cpp | 8 ++++----
 external/xdg/xdg.cpp                                 | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/external/process-cpp-minimal/src/core/posix/fork.cpp b/external/process-cpp-minimal/src/core/posix/fork.cpp
index 82a225c..aa405ad 100644
--- a/external/process-cpp-minimal/src/core/posix/fork.cpp
+++ b/external/process-cpp-minimal/src/core/posix/fork.cpp
@@ -97,12 +97,12 @@ ChildProcess fork(const std::function<posix::exit::Status()>& main,
             result = main();
         } catch(const std::exception& e)
         {
-            std::cerr << "core::posix::fork(): An unhandled std::exception occured in the child process:" << std::endl
+            std::cerr << "core::posix::fork(): An unhandled std::exception occurred in the child process:" << std::endl
                       << "  what(): " << e.what() << std::endl;
             print_backtrace(std::cerr, "  ");
         } catch(...)
         {
-            std::cerr << "core::posix::fork(): An unhandled exception occured in the child process." << std::endl;
+            std::cerr << "core::posix::fork(): An unhandled exception occurred in the child process." << std::endl;
             print_backtrace(std::cerr, "  ");
         }
 
@@ -154,12 +154,12 @@ ChildProcess vfork(const std::function<posix::exit::Status()>& main,
             result = main();
         } catch(const std::exception& e)
         {
-            std::cerr << "core::posix::fork(): An unhandled std::exception occured in the child process:" << std::endl
+            std::cerr << "core::posix::fork(): An unhandled std::exception occurred in the child process:" << std::endl
                       << "  what(): " << e.what() << std::endl;
             print_backtrace(std::cerr, "  ");
         } catch(...)
         {
-            std::cerr << "core::posix::fork(): An unhandled exception occured in the child process." << std::endl;
+            std::cerr << "core::posix::fork(): An unhandled exception occurred in the child process." << std::endl;
             print_backtrace(std::cerr, "  ");
         }
 
diff --git a/external/xdg/xdg.cpp b/external/xdg/xdg.cpp
index d54fdfe..19a69e9 100644
--- a/external/xdg/xdg.cpp
+++ b/external/xdg/xdg.cpp
@@ -30,7 +30,7 @@ fs::path throw_if_not_absolute(const fs::path& p)
     if (p.has_root_directory())
         return p;
 
-    throw std::runtime_error{"Directores MUST be absolute."};
+    throw std::runtime_error{"Directories MUST be absolute."};
 }
 
 namespace env