Use empty() instead of comparing size() with zero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46514 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Win32/Path.inc b/lib/System/Win32/Path.inc
index 8c6f3a8..ff5cc0a 100644
--- a/lib/System/Win32/Path.inc
+++ b/lib/System/Win32/Path.inc
@@ -418,7 +418,7 @@
 
 bool
 Path::set(const std::string& a_path) {
-  if (a_path.size() == 0)
+  if (a_path.empty())
     return false;
   std::string save(path);
   path = a_path;