pexpr_t: Add pat field

src/pline.c

@@ -36,6 +36,7 @@ static pexpr_t *pexpr_new(void)
 	pexpr->xpath = NULL;
 	pexpr->value = NULL;
 	pexpr->active = BOOL_FALSE;
+	pexpr->pat = PAT_NONE;
 
 	return pexpr;
 }

src/pline.h

@@ -55,6 +55,7 @@ typedef struct {
 	char *xpath;
 	char *value;
 	bool_t active;
+	pat_e pat;
 } pexpr_t;