Security update for libqt5-qtbase

This update for libqt5-qtbase fixes the following issues:

- boo#865241: disable RC4 based ciphers which are now considered insecure

The following non-security bugs were fixed:

- boo#957006: dolphin freeze when opening a folder containing symlinks to special files

Fixed bugs
bnc#865241
VUL-0: kdelibs4: Konqueror allows insecure cipher suites with keys smaller than 128 bits
bnc#957006
dolphin hangs when opening a folder containing a symbolic link to a special file
Selected Binaries
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