Address Issue pointed out in (now deleted) comment on an old merge

scripts/ocsp-stapling.test

@@ -387,7 +387,7 @@ generate_port() {
     # Generate a random port number
     #-------------------------------------------------------------------------#
 
-    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+    if [[ "$OSTYPE" == "linux"* ]]; then
         port=$(($(od -An -N2 /dev/urandom) % (65535-49512) + 49512))
     elif [[ "$OSTYPE" == "darwin"* ]]; then
         port=$(($(od -An -N2 /dev/random) % (65535-49512) + 49512))

scripts/ocsp-stapling2.test

@@ -452,7 +452,7 @@ generate_port() {
     # Generate a random port number
     #-------------------------------------------------------------------------#
 
-    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+    if [[ "$OSTYPE" == "linux"* ]]; then
         port=$(($(od -An -N2 /dev/urandom) % (65535-49512) + 49512))
     elif [[ "$OSTYPE" == "darwin"* ]]; then
         port=$(($(od -An -N2 /dev/random) % (65535-49512) + 49512))

scripts/openssl.test

@@ -36,7 +36,7 @@ generate_port() {
     # Generate a random port number
     #-------------------------------------------------------------------------#
 
-    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+    if [[ "$OSTYPE" == "linux"* ]]; then
         port=$(($(od -An -N2 /dev/urandom) % (65535-49512) + 49512))
     elif [[ "$OSTYPE" == "darwin"* ]]; then
         port=$(($(od -An -N2 /dev/random) % (65535-49512) + 49512))

scripts/openssl_srtp.test

@@ -19,7 +19,7 @@ generate_port() {
     # Generate a random port number
     #-------------------------------------------------------------------------#
 
-    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+    if [[ "$OSTYPE" == "linux"* ]]; then
         port=$(($(od -An -N2 /dev/urandom) % (65535-49512) + 49512))
     elif [[ "$OSTYPE" == "darwin"* ]]; then
         port=$(($(od -An -N2 /dev/random) % (65535-49512) + 49512))