tests: y4mreader: fix string state checkup

str cannot be null in that moment, but it may be the end of string.

diff --git a/tests/y4mreader.c b/tests/y4mreader.c
index caded8a..5fa7dcb 100644 (file)
--- a/tests/y4mreader.c
+++ b/tests/y4mreader.c
@@ -36,7 +36,7 @@ parse_int (const gchar * str, guint * out_value_ptr)
   if (!str)
     return FALSE;
   str += 1;
-  if (!str)
+  if (*str == '\0')
     return FALSE;
 
   saved_errno = errno;