patch 9.0.1552: CI: sound-dummy module is not installed

Problem:    CI: sound-dummy module is not installed.
Solution:   Invert using the result of the condition.  (closes #12394)

.github/workflows/ci.yml

@@ -181,13 +181,13 @@ jobs:
         run: |
           cd /lib/modules/${{ env.LINUX_VERSION }}
           if apt-cache show linux-modules-extra-${{ env.LINUX_VERSION }} >/dev/null 2>&1 ; then
-          echo "Module " linux-modules-extra-${{ env.LINUX_VERSION }} "doesn't seem to exist, continue anyway"; exit 0
-          else
           sudo apt-get install -d -y linux-modules-extra-${{ env.LINUX_VERSION }}
           sudo dpkg -x /var/cache/apt/archives/linux-modules-extra-${{ env.LINUX_VERSION }}*.deb "${DEST_DIR}"
           tar -cvC "${DEST_DIR}"/lib/modules/${{ env.LINUX_VERSION }} kernel/sound | sudo tar -x
           sudo depmod --verbose
           sudo modprobe --verbose snd-dummy
+          else
+          echo "Module " linux-modules-extra-${{ env.LINUX_VERSION }} "doesn't seem to exist, continue anyway"; exit 0
           fi
 
       - name: Check autoconf

src/version.c

@@ -695,6 +695,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1552,
 /**/
     1551,
 /**/