patch: Only warn when trying to modify read-only files
This udpate fixes the following issues for patch:
- bnc#794658: Only warn when trying to modify read-only files instead of failing. This restores compatibility with older versions of GNU patch
-
Submitted by
Jean Delvare (jdelvare)
Fixed bugs
bnc#794658
patch version in openSUSE fails to operate on read only files (unless --force)
