Fix pan compile on some versions of flex/lex.
"%option nolex-compat" can silence warning, but also make the global
variable "yylineno" undeclared. The following patch add "%option
yylineno" to make the global variable "yylineno" to be accessed.
Signed-off-by: Peng Haitao <penght@cn.fujitsu.com>
diff --git a/pan/scan.l b/pan/scan.l
index 8b511c8..d8374f7 100644
--- a/pan/scan.l
+++ b/pan/scan.l
@@ -90,6 +90,7 @@
%option noinput
%option nolex-compat
%option nounput
+%option yylineno
UI [0-9]+
A [a-zA-Z]+