[evince] synctex: Annotate more functions that wraps formatting strings

[Germán Poo-Caamaño <gpoo src gnome org>]

commit 43a45e7280add1a9fe09b596a7873936630e1ade
Author: Germán Poo-Caamaño <gpoo gnome org>
Date:   Sat May 30 18:45:26 2020 -0400

    synctex: Annotate more functions that wraps formatting strings
    
    Annotate missing functions after sync them with upstream

 cut-n-paste/synctex/synctex_parser_utils.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/cut-n-paste/synctex/synctex_parser_utils.c b/cut-n-paste/synctex/synctex_parser_utils.c
index 14989281..bda37816 100644
--- a/cut-n-paste/synctex/synctex_parser_utils.c
+++ b/cut-n-paste/synctex/synctex_parser_utils.c
@@ -86,6 +86,7 @@ void _synctex_free(void * ptr) {
 #   include <syslog.h>
 #endif
 
+__attribute__((__format__ (__printf__, 3, 0)))
 static int _synctex_log(int level, const char * prompt, const char * reason,va_list arg) {
        int result;
 #      ifdef SYNCTEX_RECENT_WINDOWS
@@ -132,6 +133,7 @@ static int _synctex_log(int level, const char * prompt, const char * reason,va_l
        return result;
 }
 
+__attribute__((__format__ (__printf__, 1, 2)))
 int _synctex_error(const char * reason,...) {
     va_list arg;
     int result;