[gtk-mac-bundler] Make sure that libraries are writeable before using otool.

[John Ralls <jralls src gnome org>]

commit 30d76deeb5affe6e39c57f0d83158ec37999c9e7
Author: Julien Woillez <jwoillez gmail com>
Date:   Mon Feb 24 12:34:14 2014 +0100

    Make sure that libraries are writeable before using otool.

 bundler/run-install-name-tool-change.sh |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/bundler/run-install-name-tool-change.sh b/bundler/run-install-name-tool-change.sh
index 3a3b6a8..a69796a 100755
--- a/bundler/run-install-name-tool-change.sh
+++ b/bundler/run-install-name-tool-change.sh
@@ -10,6 +10,8 @@ WRONG_PREFIX=$2
 RIGHT_PREFIX="@executable_path/../$3"
 ACTION=$4
 
+chmod u+w $LIBRARY
+
 if [ "x$ACTION" == "xchange" ]; then
     libs="`otool -L $LIBRARY 2>/dev/null | fgrep compatibility | cut -d\( -f1 | grep $WRONG_PREFIX | sort | 
uniq`"
     for lib in $libs; do