Update package.sh

BuildServer/Windows/package.sh

@@ -207,8 +207,8 @@ elif [ $TASK = "build" ]; then
 	echo "Revision number is $REV_NUMBER"
 
 	# Add current revision number to python source code (will appear in "About..." dialog)
-  sed -i "/__version__/c\__version__ = '${CI_BUILD_TAG}'" MDANSE/__pkginfo__.py
-  sed -i "/__revision__/c\__revision__ = '${REV_NUMBER}'" MDANSE/__pkginfo__.py
+    sed -i '' 's/.*__version__.*/__version__ = \"${CI_BUILD_TAG}\"/' MDANSE/__pkginfo__.py
+    sed -i '' 's/.*__revision__.*/__revision__ = \"${REV_NUMBER}\"/' MDANSE/__pkginfo__.py
 
 	# setup the environment for a visual studio build of MDANSE using microsoft SDK 7.0 and build MDANSE
 	echo "MDANSE setup and build"