t4017 (diff-retval): replace manual exit code check with test_expect_code

diff --git a/diffcore-pickaxe.c b/diffcore-pickaxe.c
index 929de15aa9228099b3a772be788d746e440a9e8c..9c6544daacb6d0c7aeb2cc188d089ee5aeb06c5d 100644 (file)
--- a/diffcore-pickaxe.c
+++ b/diffcore-pickaxe.c
@@ -128,9 +128,8 @@ void diffcore_pickaxe(const char *needle, int opts)
                                diff_free_filepair(p);
                }
 
-       if (opts & DIFF_PICKAXE_REGEX) {
+       if (opts & DIFF_PICKAXE_REGEX)
                regfree(&regex);
-       }
 
        free(q->queue);
        *q = outq;