[PATCH] checkpolicy: add missing forward declaration

[Christian Göttsche <cgzones@xxxxxxxxxxxxxx>]

policy_scan.l:294:3: warning: implicit declaration of function 'yyerror' is

      invalid in C99 [-Wimplicit-function-declaration]

{ yyerror("unrecognized character");}

  ^

policy_scan.l:294:3: warning: this function declaration is not a prototype

      [-Wstrict-prototypes]

Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
---
 checkpolicy/policy_scan.l | 1 +
 1 file changed, 1 insertion(+)

diff --git a/checkpolicy/policy_scan.l b/checkpolicy/policy_scan.l
index 094645d1..4067268b 100644
--- a/checkpolicy/policy_scan.l
+++ b/checkpolicy/policy_scan.l
@@ -37,6 +37,7 @@ typedef int (* require_func_t)(void);
 static char linebuf[2][255];
 static unsigned int lno = 0;
 int werror = 0;
+int yyerror(const char *msg);
 int yywarn(const char *msg);
 
 void set_source_file(const char *name);
-- 
2.26.0.rc2