evas-pdf: Properly set return value before cleanup is called

Coverity CID1437717 tells us that this code is unreachable
(obviously), so let's set the return value Before we go to cleanup.

Fixes CID1437717

@fix

src/generic/evas/pdf/main.cpp

@@ -348,8 +348,8 @@ main(int argc, char **argv)
    D("poppler_file_init\n");
    if (!poppler_init(file, page_num, size_w, size_h))
      {
-        goto cleanup;
         ret = 1;
+        goto cleanup;
      }
    D("poppler_file_init done\n");