Fix archiving VLCKit

Pre-Compile.sh

@@ -38,9 +38,11 @@ if test "${ACTION}" = "clean"; then
 fi
 
 if test "${ACTION}" != "build"; then
+if test "${ACTION}" != "install"; then
     echo "This script is supposed to run from xcodebuild or Xcode"
     exit 1
 fi
+fi
 
 lib="lib"
 plugins="plugins"