File cvs-format.patch of Package cvs

Index: cvs-1.12.13/src/cvs.h
===================================================================
--- cvs-1.12.13.orig/src/cvs.h
+++ cvs-1.12.13/src/cvs.h
@@ -585,7 +585,7 @@ void cat_module (int status);
 void check_entries (char *dir);
 void close_module (DBM * db);
 void copy_file (const char *from, const char *to);
-void fperrmsg (FILE * fp, int status, int errnum, char *message,...);
+void fperrmsg (FILE * fp, int status, int errnum, char *message,...) __attribute__((__format__(printf,4,5)));
 
 int ign_name (char *name);
 void ign_add (char *ign, int hold);