[libcxx][NFC] Strip trailing whitespace, fix typo.

Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 7c9844b66e5e0cca1424e0688b4384d4ec23325a
diff --git a/src/filesystem/operations.cpp b/src/filesystem/operations.cpp
index 4e6cb14..08a6b2b 100644
--- a/src/filesystem/operations.cpp
+++ b/src/filesystem/operations.cpp
@@ -1592,7 +1592,7 @@
 static int CompareRelative(PathParser *LHSPtr, PathParser *RHSPtr) {
   auto &LHS = *LHSPtr;
   auto &RHS = *RHSPtr;
-  
+
   int res;
   while (LHS && RHS) {
     if ((res = (*LHS).compare(*RHS)) != 0)