Fix regexp in update bnc#725872

So from previous result
```
zypper up *lib
No package matching 'lib*' are installed.
490 repetitions
```
is now
```
Loading repository data...
Reading installed packages...
No update candidate for 'cracklib-2.9.0-1.4.x86_64'. The highest available version is already installed.
No update candidate for 'dbus-1-glib-0.100.2-1.4.x86_64'. The highest available version is already installed.
No update candidate for 'python-xlib-0.14-104.3.x86_64'. The highest available version is already installed.
Resolving package dependencies...

Nothing to do.
```