Merge pull request #253 from tiagocoutinho/master

Solves issue #252: error message in prompt with old bash version

gitprompt.sh

@@ -482,7 +482,7 @@ function updatePrompt() {
       if [[ "x$2" == "x-n" ]] ; then
         v="$2 \"\$GIT_$1\""
       else
-        v="\$GIT_$1 $2"
+        v="\"\$GIT_$1 $2\""
       fi
       if eval "test $v" ; then
         if [[ $# -lt 2 || "$3" != '-' ]]; then