database.c: Fixed package DESCRIPTION parsing

Regression introduced by 0fb0d30 which makes parsing a description
a critical failure.

[TT: Minor stylistic change. Fix also missing final line change
from the earlier commit]

src/database.c

@@ -2138,6 +2138,7 @@ static int load_apkindex(void *sctx, const struct apk_file_info *fi,
 	if (r <= 0)
 		return r;
 
+	r = 0;
 	repo = &ctx->db->repos[ctx->repo];
 
 	if (strcmp(fi->name, "DESCRIPTION") == 0) {

test/iolimit1.test

@@ -2,4 +2,4 @@
 --test-repo iolimit.repo
 add test-f
 @EXPECT
-ERROR: Failed to open repository iolimit.repo : No buffer space available
+ERROR: Failed to open repository iolimit.repo : No buffer space available