c-blosc upgrade to 1.18.1 -> 1.21.0

kindjacket · kindjacket · commit 64dd2436296d · 2021-07-27T22:51:04.000-07:00
diff --git a/c-blosc b/c-blosc
@@ -1 +1 @@
-Subproject commit 9fae1c9acb659159321aca69aefcdbce663e2374
+Subproject commit f4ef2f357900c515a100320ef0494da74bc687a7
