pdns: setPipeBufferSize - Fix comparison sign mismatch

Fixes compiler warning

misc.cc:1513:12: warning: comparison of integer expressions of different signedness:
size_t {aka long unsigned int} and int [-Wsign-compare]

diff --git a/pdns/misc.cc b/pdns/misc.cc
index a9b75ac8dba6118e80005557f81ef276689dfdd5..75918cb49e9cddafb55c66df5575ea6dd5d37cca 100644 (file)
--- a/pdns/misc.cc
+++ b/pdns/misc.cc
@@ -1510,7 +1510,7 @@ size_t getPipeBufferSize(int fd)
 bool setPipeBufferSize(int fd, size_t size)
 {
 #ifdef F_SETPIPE_SZ
-  if (size > std::numeric_limits<int>::max()) {
+  if (size > static_cast<size_t>(std::numeric_limits<int>::max())) {
     errno = EINVAL;
     return false;
   }