Fix a grammaro.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99917 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Unix/Path.inc b/lib/System/Unix/Path.inc
index a99720c..52253b3 100644
--- a/lib/System/Unix/Path.inc
+++ b/lib/System/Unix/Path.inc
@@ -454,7 +454,7 @@
 
 bool
 Path::isRegularFile() const {
-  // Get the status so we can determine if its a file or directory
+  // Get the status so we can determine if it's a file or directory
   struct stat buf;
 
   if (0 != stat(path.c_str(), &buf))
@@ -736,7 +736,7 @@
 
 bool
 Path::eraseFromDisk(bool remove_contents, std::string *ErrStr) const {
-  // Get the status so we can determine if its a file or directory
+  // Get the status so we can determine if it's a file or directory.
   struct stat buf;
   if (0 != stat(path.c_str(), &buf)) {
     MakeErrMsg(ErrStr, path + ": can't get status of file");