Revert "openblas: update to 0.3.22."

Version 0.3.22 apparently breaks Octave:

    OpenMathLib/OpenBLAS#3976

This reverts commit 0ef7a0e.

srcpkgs/openblas/template

@@ -1,8 +1,8 @@
 # Template file for 'openblas'
 pkgname=openblas
-reverts="0.3.19_1"
-version=0.3.22
-revision=1
+reverts="0.3.22_1"
+version=0.3.21
+revision=2
 build_style=gnu-makefile
 make_build_args="HOSTCC=gcc USE_OPENMP=1"
 make_install_args="OPENBLAS_INCLUDE_DIR=\$(PREFIX)/include/openblas"
@@ -14,7 +14,7 @@ license="BSD-3-Clause"
 homepage="https://www.openblas.net/"
 changelog="https://raw.githubusercontent.com/xianyi/OpenBLAS/v${version}/Changelog.txt"
 distfiles="https://github.com/xianyi/OpenBLAS/archive/v${version}.tar.gz"
-checksum=7fa9685926ba4f27cfe513adbf9af64d6b6b63f9dcabb37baefad6a65ff347a7
+checksum=f36ba3d7a60e7c8bcc54cd9aaa9b1223dd42eaf02c811791c37e8ca707c241ca
 
 case "$XBPS_TARGET_MACHINE" in
 	ppc64*) ;;