Ensure softhsm worked with local build from source (#1006)

Author: lhazlewood

impl/src/test/groovy/io/jsonwebtoken/impl/security/Pkcs11Test.groovy

@@ -39,6 +39,7 @@ class Pkcs11Test {
             '/opt/homebrew/lib/softhsm/libsofthsm2.so', // macos: brew install softhsm
             '/usr/lib/softhsm/libsofthsm2.so',          // ubuntu: sudo apt-get install -y softhsm2
             '/usr/local/lib/libsofthsm2.so',            // other *nixes?
+            '/usr/local/lib/softhsm/libsofthsm2.so',
             'C:\\SoftHSM2\\lib\\softhsm2-x64.dll',      // https://github.com/disig/SoftHSM2-for-Windows
             'C:\\SoftHSM2\\lib\\softhsm2.dll'           // https://github.com/disig/SoftHSM2-for-Windows
     ]

impl/src/test/scripts/softhsm

@@ -112,6 +112,9 @@ _setup() {
   platform='macos'
   globalconf='/opt/homebrew/etc/softhsm/softhsm2.conf'
   libsofthsm2='/opt/homebrew/lib/softhsm/libsofthsm2.so'
+  if [[ ! -f "${libsofthsm2}" ]]; then # backup (build softhsm from source)
+    libsofthsm2='/usr/local/lib/softhsm/libsofthsm2.so'
+  fi
   if [[ ! -f "${libsofthsm2}" ]]; then # assume CI (Ubuntu)
     platform='ubuntu'
     globalconf='/etc/softhsm/softhsm2.conf'