Merge pull request #51 from nulltask/bugfix

fixed: "git extra update" errors when pwd includes whitespace

bin/git-extras

@@ -9,7 +9,7 @@ update() {
     && git clone --depth 1 http://github.com/visionmedia/git-extras.git \
     && cd git-extras \
     && make install \
-    && cd $orig \
+    && cd "$orig" \
     && echo "... updated git-extras $VERSION -> $(git extras --version)"
 }
 
@@ -24,4 +24,4 @@ case "$1" in
     test "$INSTALL" = "y" && update && exit
     man git-extras
     ;;
-esac
+esac