conditionals: fix NULL record handling in flb_condition_evaluate

Return FLB_FALSE when record is NULL instead of FLB_TRUE. NULL cond
still returns FLB_TRUE (no condition means pass), but NULL record
should fail the condition.

Signed-off-by: Eduardo Silva <[email protected]>

Author: edsiper

src/flb_conditionals.c

@@ -440,9 +440,13 @@ int flb_condition_evaluate_ex(struct flb_condition *cond,
 int flb_condition_evaluate(struct flb_condition *cond,
                            struct flb_mp_chunk_record *record)
 {
-    if (!cond || !record) {
+    if (!cond) {
         return FLB_TRUE;
     }
 
+    if (!record) {
+        return FLB_FALSE;
+    }
+
     return flb_condition_evaluate_ex(cond, record, default_get_record_variant);
 }