(svn r16269) -Codechange: use gcc's ability to check parameters sent to printf-like functions

-Fix: wrong number of parameters or wrong parameter types sent to printf-like functions at several places

1 files changed, 1 insertions, 1 deletions

diff --git a/src/newgrf.h b/src/newgrf.h
index dc9e1e67d..e05ef89fe 100644
--- a/src/newgrf.h
+++ b/src/newgrf.h
@@ -129,7 +129,7 @@ void LoadNewGRFFile(GRFConfig *config, uint file_index, GrfLoadingStage stage);
 void LoadNewGRF(uint load_index, uint file_index);
 void ReloadNewGRFData(); // in saveload/afterload.cpp
 
-void CDECL grfmsg(int severity, const char *str, ...);
+void CDECL grfmsg(int severity, const char *str, ...) WARN_FORMAT(2, 3);
 
 bool HasGrfMiscBit(GrfMiscBit bit);
 bool GetGlobalVariable(byte param, uint32 *value);