Replace also token __MKIT_PROJ_PKGNAME__

The package name as used in distributions.

src/include/build.sh

@@ -188,6 +188,7 @@ expand_variables() {
             done
     done
     echo "s|__MKIT_PROJ_CODENAME__|$(ini 1value project:codename)|;" >> "$script"
+    echo "s|__MKIT_PROJ_PKGNAME__|$(ini 1value project:pkgname)|;" >> "$script"
     echo "s|__MKIT_PROJ_TAGLINE__|$(ini 1value project:tagline)|;" >> "$script"
     echo "s|__MKIT_PROJ_VERSION__|$(get_version)|;" >> "$script"
     perl -wp "$script" || die "expand_variables failed"