more C++-izations over places #2

diff --git a/subproc.cc b/subproc.cc
index 39353815d875f971bcfb07c43c5c77d58d021155..2031ebe6b4e9605d518da1a73ea264c9ba7c8a38 100644 (file)
--- a/subproc.cc
+++ b/subproc.cc
@@ -94,8 +94,7 @@ static const std::string cloneFlagsToStr(uintptr_t flags) {
        uintptr_t knownFlagMask = CSIGNAL;
        for (const auto& f : cloneFlags) {
                if (flags & f.flag) {
-                       res.append(f.name);
-                       res.append("|");
+                       res.append(f.name).append("|");
                }
                knownFlagMask |= f.flag;
        }