[gobject-introspection] scanner: don't warn about unexpected characters when the char is \0

[Stefan Kost <stefkost src gnome org>]

commit df7e6b4c031b865c56fcf44644f1bf9c700885d8
Author: Stefan Kost <ensonic users sf net>
Date:   Fri Dec 4 18:33:22 2009 +0200

    scanner: don't warn about unexpected characters when the char is \0

 giscanner/scannerlexer.l |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/giscanner/scannerlexer.l b/giscanner/scannerlexer.l
index 3d9aa33..d78de90 100644
--- a/giscanner/scannerlexer.l
+++ b/giscanner/scannerlexer.l
@@ -190,7 +190,7 @@ stringtext				([^\\\"])|(\\.)
 "\""{stringtext}*"\""			{ return STRING; }
 "L\""{stringtext}*"\""			{ return STRING; }
 
-.					{ fprintf(stderr, "%s:%d: unexpected character `%c'\n", scanner->current_filename, lineno, yytext[0]); }
+.					{ if (yytext[0]) fprintf(stderr, "%s:%d: unexpected character `%c'\n", scanner->current_filename, lineno, yytext[0]); }
 
 %%