Use macros for the likely/unlikely attributes

The syntax parser for GCC 8 (and earlier?) fails when these attributes are in
certain places.

1 files changed, 1 insertions, 1 deletions

diff --git a/core/logging.cpp b/core/logging.cpp
index ec53e5f6..34a95e5a 100644
--- a/core/logging.cpp
+++ b/core/logging.cpp
@@ -45,7 +45,7 @@ void al_print(LogLevel level, FILE *logfile, const char *fmt, ...)
     va_start(args, fmt);
     va_copy(args2, args);
     const int msglen{std::vsnprintf(msg.data(), msg.size(), fmt, args)};
-    if(msglen >= 0 && static_cast<size_t>(msglen) >= msg.size()) [[unlikely]]
+    if(msglen >= 0 && static_cast<size_t>(msglen) >= msg.size()) UNLIKELY
     {
         dynmsg.resize(static_cast<size_t>(msglen)+prefix.size() + 1u);