Make SameVector return early.

PiperOrigin-RevId: 619128273
Change-Id: Ic47613b8322b9ff5a6a1f557cc9626a20aaee794

src/xml/xml_util.cc

@@ -523,14 +523,13 @@ bool mjXUtil::SameVector(const T* vec1, const T* vec2, int n) {
     return false;
   }
 
-  bool same = true;
-  for (int i=0; i<n; i++) {
+  for (int i = 0; i < n; i++) {
     if (std::abs(vec1[i] - vec2[i]) > std::numeric_limits<T>::epsilon()) {
-      same = false;
+      return false;
     }
   }
 
-  return same;
+  return true;
 }
 
 template bool mjXUtil::SameVector(const double* vec1, const double* vec2, int n);