Update perf libs to 0.19.1 (solana-labs#11301)

sakridge · web-flow · commit 1733f6c9e969 · 2020-07-31T09:19:43.000-07:00
* fix for cuda sigverify check for small order pubkey
diff --git a/fetch-perf-libs.sh b/fetch-perf-libs.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-PERF_LIBS_VERSION=v0.19.0
+PERF_LIBS_VERSION=v0.19.1
 VERSION=$PERF_LIBS_VERSION-1
 
 set -e
