[NFC] Small code cleanups in utility.

Fix a few small annoyances in Utility I ran into.

llvm-svn: 348996

1 files changed, 1 insertions, 1 deletions

diff --git a/lldb/source/Utility/TildeExpressionResolver.cpp b/lldb/source/Utility/TildeExpressionResolver.cpp
index 34ca0254613..4e2be77c49c 100644
--- a/lldb/source/Utility/TildeExpressionResolver.cpp
+++ b/lldb/source/Utility/TildeExpressionResolver.cpp
@@ -59,7 +59,7 @@ bool StandardTildeExpressionResolver::ResolvePartial(StringRef Expr,
   struct passwd *user_entry;
   Expr = Expr.drop_front();
 
-  while ((user_entry = getpwent()) != NULL) {
+  while ((user_entry = getpwent()) != nullptr) {
     StringRef ThisName(user_entry->pw_name);
     if (!ThisName.startswith(Expr))
       continue;