Add scripts/update_lib.sh

scripts/update_lib.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+if [ ! -d lib/pugixml -o ! -d lib/updfparser ] ; then
+    echo "Some libraries are missing"
+    echo "You must run this script at the top of libgourou working direcotry."
+    echo "./lib/setup.sh must be called first (make all)"
+    exit 1
+fi
+
+# Pugixml
+pushd lib/pugixml
+git pull origin latest
+popd
+
+# Base64
+# Nothing to do
+
+# uPDFParser
+pushd lib/updfparser
+git pull origin master
+make clean all BUILD_STATIC=1 BUILD_SHARED=0