Using an early return as it is more clear; NFC.

llvm-svn: 246447
diff --git a/clang-tools-extra/clang-tidy/misc/NoexceptMoveConstructorCheck.cpp b/clang-tools-extra/clang-tidy/misc/NoexceptMoveConstructorCheck.cpp
index 155baf8..ff6ba0c 100644
--- a/clang-tools-extra/clang-tidy/misc/NoexceptMoveConstructorCheck.cpp
+++ b/clang-tools-extra/clang-tidy/misc/NoexceptMoveConstructorCheck.cpp
@@ -19,13 +19,14 @@
 void NoexceptMoveConstructorCheck::registerMatchers(MatchFinder *Finder) {
   // Only register the matchers for C++11; the functionality currently does not
   // provide any benefit to other languages, despite being benign.
-  if (getLangOpts().CPlusPlus11) {
-    Finder->addMatcher(
-        methodDecl(anyOf(constructorDecl(), hasOverloadedOperatorName("=")),
-                   unless(isImplicit()), unless(isDeleted()))
-            .bind("decl"),
-        this);
-  }
+  if (!getLangOpts().CPlusPlus11)
+    return;
+
+  Finder->addMatcher(
+      methodDecl(anyOf(constructorDecl(), hasOverloadedOperatorName("=")),
+                 unless(isImplicit()), unless(isDeleted()))
+          .bind("decl"),
+      this);
 }
 
 void NoexceptMoveConstructorCheck::check(