Fix kernel version path in Makefile CI workflow

Author: andrewmcwatters

.github/workflows/makefile.yml

@@ -1,7 +1,7 @@
 name: Makefile CI
 
 env:
-  VERSION: linux-6.16.2
+  VERSION: 6.16.2
 
 on:
   push:
@@ -25,14 +25,14 @@ jobs:
     # https://kernel.org
     - name: Download
       if: steps.cache-kernel.outputs.cache-hit != 'true'
-      run: wget https://cdn.kernel.org/pub/linux/kernel/v6.x/${{ env.VERSION }}.tar.xz
+      run: wget https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-${{ env.VERSION }}.tar.xz
 
     # https://docs.kernel.org/admin-guide/README.html#installing-the-kernel-source
     - name: Install the kernel source
       if: steps.cache-kernel.outputs.cache-hit != 'true'
       run: |
-        xz -cd ${{ env.VERSION }}.tar.xz | tar xvf -
-        cd ${{ env.VERSION }}
+        xz -cd linux-${{ env.VERSION }}.tar.xz | tar xvf -
+        cd linux-${{ env.VERSION }}
         make mrproper
 
     - name: Install libelf-dev
@@ -41,7 +41,7 @@ jobs:
     # https://docs.kernel.org/admin-guide/README.html#build-directory-for-the-kernel
     - name: Configure and build the kernel
       run: |
-        cd ${{ env.VERSION }}
+        cd linux-${{ env.VERSION }}
         make defconfig
         make
         make INSTALL_MOD_PATH=${{ github.workspace }}/iso/boot INSTALL_PATH=${{ github.workspace }}/iso/boot modules_install install