use size_t to hold string length

using int is not fine on 64bit systems

diff --git a/src/main.c b/src/main.c
index 80edfe048ed574b29a5ec979402ca140798b93db..6e3ef3d6a2312ac5df6d84ad6f920931f7e1fc52 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -4169,7 +4169,7 @@ static char *get_url_file_name(const char *url)
 }
 
 static char*
-parse_filename(char *ptr, int len)
+parse_filename(char *ptr, size_t len)
 {
   char* copy;
   char* p;