Fix generate-lv2.sh script to work with juce7 plugins

Signed-off-by: falkTX <falktx@falktx.com>

scripts/generate-lv2.sh

@@ -68,4 +68,4 @@ fi
 mkdir -p "${dir}"
 cd "${dir}"
 cp -v "${lib}" .
-exec ${MESON_EXE_WRAPPER} "${gen}" "${lib}"
+exec ${MESON_EXE_WRAPPER} "${gen}" "./$(basename ${lib})"