Cleaned up code

Author: Sriya Pratipati

libc/src/wchar/wcscat.cpp

@@ -20,9 +20,8 @@ LLVM_LIBC_FUNCTION(wchar_t *, wcscat,
                    (wchar_t *__restrict s1, const wchar_t *__restrict s2)) {
   size_t size_1 = internal::string_length(s1);
   size_t i = 0;
-  for (; s2[i] != L'\0'; i++) {
+  for (; s2[i] != L'\0'; i++)
     s1[size_1 + i] = s2[i];
-  }
   s1[size_1 + i] = L'\0';
   return s1;
 }