Index: src/mongo/util/processinfo_openbsd.cpp
--- src/mongo/util/processinfo_openbsd.cpp.orig
+++ src/mongo/util/processinfo_openbsd.cpp
@@ -93,7 +93,7 @@ template <>
 int getSysctlByIDWithDefault<std::string>(const int* sysctlID,
                                           const int idLen,
                                           const std::string& defaultValue,
-                                          string* result) {
+                                          std::string* result) {
     char value[256] = {0};
     size_t len = sizeof(value);
     if (sysctl(sysctlID, idLen, &value, &len, NULL, 0) == -1) {
