restructure if statement

src/ngx_http_voms_module.cpp

@@ -375,25 +375,25 @@ std::string get_voms_not_after(VomsAc const& ac)
 std::string escape_uri(std::string const& src)
 {
   // the following just counts the number of characters that need escaping
-  auto const n_escape = ngx_escape_uri(
-      nullptr,  // <--
-      reinterpret_cast<u_char*>(const_cast<char*>(src.data())),
-      src.size(),
-      NGX_ESCAPE_URI_COMPONENT);
+  auto const n_escape =
+      ngx_escape_uri(nullptr,  // <--
+                     reinterpret_cast<u_char*>(const_cast<char*>(src.data())),
+                     src.size(),
+                     NGX_ESCAPE_URI_COMPONENT);
 
   if (n_escape == 0) {
     return src;
-  } else {
-    std::string result;
-    result.resize(src.size() + 2 * n_escape);
-    auto last = reinterpret_cast<char*>(ngx_escape_uri(
-        reinterpret_cast<u_char*>(const_cast<char*>(result.data())),
-        reinterpret_cast<u_char*>(const_cast<char*>(src.data())),
-        src.size(),
-        NGX_ESCAPE_URI_COMPONENT));
-    assert(last == &result.back());
-    return result;
   }
+
+  std::string result;
+  result.resize(src.size() + 2 * n_escape);
+  auto last = reinterpret_cast<char*>(ngx_escape_uri(
+      reinterpret_cast<u_char*>(const_cast<char*>(result.data())),
+      reinterpret_cast<u_char*>(const_cast<char*>(src.data())),
+      src.size(),
+      NGX_ESCAPE_URI_COMPONENT));
+  assert(last == &result.back());
+  return result;
 }
 
 static std::string encode(attribute const& a)